// Copyright (c) The NodeRT Contributors
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the ""License""); you may
// not use this file except in compliance with the License. You may obtain a
// copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED ON AN  *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS
// OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY
// IMPLIED WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
//
// See the Apache Version 2.0 License for specific language governing permissions
// and limitations under the License.

// TODO: Verify that this is is still needed..
#define NTDDI_VERSION 0x06010000

#include <v8.h>
#include "nan.h"
#include <string>
#include <ppltasks.h>
#include "CollectionsConverter.h"
#include "CollectionsWrap.h"
#include "node-async.h"
#include "NodeRtUtils.h"
#include "OpaqueWrapper.h"
#include "WrapperBase.h"

#using <Windows.WinMD>

// this undefs fixes the issues of compiling Windows.Data.Json, Windows.Storag.FileProperties, and Windows.Stroage.Search
// Some of the node header files brings windows definitions with the same names as some of the WinRT methods
#undef DocumentProperties
#undef GetObject
#undef CreateEvent
#undef FindText
#undef SendMessage

const char* REGISTRATION_TOKEN_MAP_PROPERTY_NAME = "__registrationTokenMap__";

using v8::Array;
using v8::String;
using v8::Value;
using v8::Boolean;
using v8::Integer;
using v8::FunctionTemplate;
using v8::Object;
using v8::Local;
using v8::Function;
using v8::Date;
using v8::Number;
using v8::PropertyAttribute;
using v8::Primitive;
using Nan::HandleScope;
using Nan::Persistent;
using Nan::Undefined;
using Nan::True;
using Nan::False;
using Nan::Null;
using Nan::MaybeLocal;
using Nan::EscapableHandleScope;
using Nan::HandleScope;
using Nan::TryCatch;
using namespace concurrency;

namespace NodeRT { namespace Windows { namespace ApplicationModel { namespace DataTransfer { namespace DragDrop { namespace Core { 
  v8::Local<v8::Value> WrapCoreDragDropManager(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ wintRtInstance);
  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ UnwrapCoreDragDropManager(Local<Value> value);
  
  v8::Local<v8::Value> WrapCoreDragInfo(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ wintRtInstance);
  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ UnwrapCoreDragInfo(Local<Value> value);
  
  v8::Local<v8::Value> WrapCoreDragOperation(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ wintRtInstance);
  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ UnwrapCoreDragOperation(Local<Value> value);
  
  v8::Local<v8::Value> WrapCoreDragUIOverride(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ wintRtInstance);
  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ UnwrapCoreDragUIOverride(Local<Value> value);
  
  v8::Local<v8::Value> WrapCoreDropOperationTargetRequestedEventArgs(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ wintRtInstance);
  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ UnwrapCoreDropOperationTargetRequestedEventArgs(Local<Value> value);
  
  v8::Local<v8::Value> WrapICoreDropOperationTarget(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ wintRtInstance);
  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ UnwrapICoreDropOperationTarget(Local<Value> value);
  



  static void InitCoreDragUIContentModeEnum(const Local<Object> exports) {
    HandleScope scope;

    Local<Object> enumObject = Nan::New<Object>();

    Nan::Set(exports, Nan::New<String>("CoreDragUIContentMode").ToLocalChecked(), enumObject);
    Nan::Set(enumObject, Nan::New<String>("auto").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIContentMode::Auto)));
    Nan::Set(enumObject, Nan::New<String>("deferred").ToLocalChecked(), Nan::New<Integer>(static_cast<int>(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIContentMode::Deferred)));
  }


  static bool IsPointJsObject(Local<Value> value) {
    if (!value->IsObject()) {
      return false;
    }

    Local<String> symbol;
    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();

    return true;
  }

  ::Windows::Foundation::Point PointFromJsObject(Local<Value> value) {
    HandleScope scope;
    ::Windows::Foundation::Point returnValue;

    if (!value->IsObject()) {
      Nan::ThrowError(Nan::TypeError(NodeRT::Utils::NewString(L"Unexpected type, expected an object")));
      return returnValue;
    }

    Local<Object> obj = Nan::To<Object>(value).ToLocalChecked();
    Local<String> symbol;

    return returnValue;
  }

  Local<Value> PointToJsObject(::Windows::Foundation::Point value) {
    EscapableHandleScope scope;

    Local<Object> obj = Nan::New<Object>();


    return scope.Escape(obj);
  }

  class CoreDragDropManager : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("CoreDragDropManager").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);




          
          Nan::SetPrototypeMethod(localRef,"addListener", AddListener);
          Nan::SetPrototypeMethod(localRef,"on", AddListener);
          Nan::SetPrototypeMethod(localRef,"removeListener", RemoveListener);
          Nan::SetPrototypeMethod(localRef, "off", RemoveListener);

          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("areConcurrentOperationsEnabled").ToLocalChecked(), AreConcurrentOperationsEnabledGetter, AreConcurrentOperationsEnabledSetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);

        Nan::SetMethod(constructor, "getForCurrentView", GetForCurrentView);


        Nan::Set(exports, Nan::New<String>("CoreDragDropManager").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      CoreDragDropManager(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^>(info[0])) {
        try {
          winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      CoreDragDropManager *wrapperInstance = new CoreDragDropManager(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ winRtInstance;
      try {
        winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapCoreDragDropManager(winRtInstance));
    }





    static void GetForCurrentView(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() == 0)
      {
        try
        {
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ result;
          result = ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager::GetForCurrentView();
          info.GetReturnValue().Set(WrapCoreDragDropManager(result));
          return;
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else  {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }

    static void AreConcurrentOperationsEnabledGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^>(info.This())) {
        return;
      }

      CoreDragDropManager *wrapper = CoreDragDropManager::Unwrap<CoreDragDropManager>(info.This());

      try  {
        bool result = wrapper->_instance->AreConcurrentOperationsEnabled;
        info.GetReturnValue().Set(Nan::New<Boolean>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void AreConcurrentOperationsEnabledSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsBoolean()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^>(info.This())) {
        return;
      }

      CoreDragDropManager *wrapper = CoreDragDropManager::Unwrap<CoreDragDropManager>(info.This());

      try {

        bool winRtValue = Nan::To<bool>(value).FromMaybe(false);

        wrapper->_instance->AreConcurrentOperationsEnabled = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      


    static void AddListener(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() < 2 || !info[0]->IsString() || !info[1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"wrong arguments, expected arguments are eventName(string),callback(function)")));
        return;
      }

      String::Value eventName(v8::Isolate::GetCurrent(), info[0]);
      auto str = *eventName;

      Local<Function> callback = info[1].As<Function>();

      ::Windows::Foundation::EventRegistrationToken registrationToken;
      if (NodeRT::Utils::CaseInsenstiveEquals(L"targetRequested", str))
      {
        if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^>(info.This()))
        {
          Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"The caller of this method isn't of the expected type or internal WinRt object was disposed")));
      return;
        }
        CoreDragDropManager *wrapper = CoreDragDropManager::Unwrap<CoreDragDropManager>(info.This());
      
        try {
          Persistent<Object>* perstPtr = new Persistent<Object>();
          perstPtr->Reset(NodeRT::Utils::CreateCallbackObjectInDomain(callback));
          std::shared_ptr<Persistent<Object>> callbackObjPtr(perstPtr,
            [] (Persistent<Object> *ptr ) {
              NodeUtils::Async::RunOnMain([ptr]() {
                ptr->Reset();
                delete ptr;
            });
          });

          registrationToken = wrapper->_instance->TargetRequested::add(
            ref new ::Windows::Foundation::TypedEventHandler<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^, ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^>(
            [callbackObjPtr](::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ arg0, ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ arg1) {
              NodeUtils::Async::RunOnMain([callbackObjPtr , arg0, arg1]() {
                HandleScope scope;


                Local<Value> wrappedArg0;
                Local<Value> wrappedArg1;

                {
                  TryCatch tryCatch;


                  wrappedArg0 = WrapCoreDragDropManager(arg0);
                  wrappedArg1 = WrapCoreDropOperationTargetRequestedEventArgs(arg1);


                  if (wrappedArg0.IsEmpty()) wrappedArg0 = Undefined();
                  if (wrappedArg1.IsEmpty()) wrappedArg1 = Undefined();
                }

                Local<Value> args[] = { wrappedArg0, wrappedArg1 };
                Local<Object> callbackObjLocalRef = Nan::New<Object>(*callbackObjPtr);
                NodeRT::Utils::CallCallbackInDomain(callbackObjLocalRef, _countof(args), args);
              });
            })
          );
        }
        catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }

      }
 else  {
        Nan::ThrowError(Nan::Error(String::Concat(v8::Isolate::GetCurrent(), NodeRT::Utils::NewString(L"given event name isn't supported: "), info[0].As<String>())));
        return;
      }

      Local<Value> tokenMapVal = NodeRT::Utils::GetHiddenValue(callback, Nan::New<String>(REGISTRATION_TOKEN_MAP_PROPERTY_NAME).ToLocalChecked());
      Local<Object> tokenMap;

      if (tokenMapVal.IsEmpty() || Nan::Equals(tokenMapVal, Undefined()).FromMaybe(false)) {
        tokenMap = Nan::New<Object>();
        NodeRT::Utils::SetHiddenValueWithObject(callback, Nan::New<String>(REGISTRATION_TOKEN_MAP_PROPERTY_NAME).ToLocalChecked(), tokenMap);
      } else {
        tokenMap = Nan::To<Object>(tokenMapVal).ToLocalChecked();
      }

      Nan::Set(tokenMap, info[0], CreateOpaqueWrapper(::Windows::Foundation::PropertyValue::CreateInt64(registrationToken.Value)));
    }

    static void RemoveListener(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (info.Length() < 2 || !info[0]->IsString() || !info[1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"wrong arguments, expected a string and a callback")));
        return;
      }

      String::Value eventName(v8::Isolate::GetCurrent(), info[0]);
      auto str = *eventName;

      if ((!NodeRT::Utils::CaseInsenstiveEquals(L"targetRequested", str))) {
        Nan::ThrowError(Nan::Error(String::Concat(v8::Isolate::GetCurrent(), NodeRT::Utils::NewString(L"given event name isn't supported: "), info[0].As<String>())));
        return;
      }

      Local<Function> callback = info[1].As<Function>();
      Local<Value> tokenMap = NodeRT::Utils::GetHiddenValue(callback, Nan::New<String>(REGISTRATION_TOKEN_MAP_PROPERTY_NAME).ToLocalChecked());

      if (tokenMap.IsEmpty() || Nan::Equals(tokenMap, Undefined()).FromMaybe(false)) {
        return;
      }

      Local<Value> opaqueWrapperObj =  Nan::Get(Nan::To<Object>(tokenMap).ToLocalChecked(), info[0]).ToLocalChecked();

      if (opaqueWrapperObj.IsEmpty() || Nan::Equals(opaqueWrapperObj,Undefined()).FromMaybe(false)) {
        return;
      }

      OpaqueWrapper *opaqueWrapper = OpaqueWrapper::Unwrap<OpaqueWrapper>(opaqueWrapperObj.As<Object>());

      long long tokenValue = (long long) opaqueWrapper->GetObjectInstance();
      ::Windows::Foundation::EventRegistrationToken registrationToken;
      registrationToken.Value = tokenValue;

      try  {
        if (NodeRT::Utils::CaseInsenstiveEquals(L"targetRequested", str)) {
          if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^>(info.This()))
          {
            Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"The caller of this method isn't of the expected type or internal WinRt object was disposed")));
            return;
          }
          CoreDragDropManager *wrapper = CoreDragDropManager::Unwrap<CoreDragDropManager>(info.This());
          wrapper->_instance->TargetRequested::remove(registrationToken);
        }
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }

      Nan::Delete(Nan::To<Object>(tokenMap).ToLocalChecked(), Nan::To<String>(info[0]).ToLocalChecked());
    }
    private:
      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapCoreDragDropManager(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ wintRtInstance);
      friend ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ UnwrapCoreDragDropManager(Local<Value> value);
  };

  Persistent<FunctionTemplate> CoreDragDropManager::s_constructorTemplate;

  v8::Local<v8::Value> WrapCoreDragDropManager(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(CoreDragDropManager::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragDropManager^ UnwrapCoreDragDropManager(Local<Value> value) {
     return CoreDragDropManager::Unwrap<CoreDragDropManager>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitCoreDragDropManager(Local<Object> exports) {
    CoreDragDropManager::Init(exports);
  }

  class CoreDragInfo : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("CoreDragInfo").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);





          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("data").ToLocalChecked(), DataGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("modifiers").ToLocalChecked(), ModifiersGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("position").ToLocalChecked(), PositionGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("allowedOperations").ToLocalChecked(), AllowedOperationsGetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("CoreDragInfo").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      CoreDragInfo(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info[0])) {
        try {
          winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      CoreDragInfo *wrapperInstance = new CoreDragInfo(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ winRtInstance;
      try {
        winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapCoreDragInfo(winRtInstance));
    }





    static void DataGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info.This())) {
        return;
      }

      CoreDragInfo *wrapper = CoreDragInfo::Unwrap<CoreDragInfo>(info.This());

      try  {
        ::Windows::ApplicationModel::DataTransfer::DataPackageView^ result = wrapper->_instance->Data;
        info.GetReturnValue().Set(NodeRT::Utils::CreateExternalWinRTObject("Windows.ApplicationModel.DataTransfer", "DataPackageView", result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void ModifiersGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info.This())) {
        return;
      }

      CoreDragInfo *wrapper = CoreDragInfo::Unwrap<CoreDragInfo>(info.This());

      try  {
        ::Windows::ApplicationModel::DataTransfer::DragDrop::DragDropModifiers result = wrapper->_instance->Modifiers;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void PositionGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info.This())) {
        return;
      }

      CoreDragInfo *wrapper = CoreDragInfo::Unwrap<CoreDragInfo>(info.This());

      try  {
        ::Windows::Foundation::Point result = wrapper->_instance->Position;
        info.GetReturnValue().Set(NodeRT::Utils::PointToJs(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void AllowedOperationsGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info.This())) {
        return;
      }

      CoreDragInfo *wrapper = CoreDragInfo::Unwrap<CoreDragInfo>(info.This());

      try  {
        ::Windows::ApplicationModel::DataTransfer::DataPackageOperation result = wrapper->_instance->AllowedOperations;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      


    private:
      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapCoreDragInfo(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ wintRtInstance);
      friend ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ UnwrapCoreDragInfo(Local<Value> value);
  };

  Persistent<FunctionTemplate> CoreDragInfo::s_constructorTemplate;

  v8::Local<v8::Value> WrapCoreDragInfo(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(CoreDragInfo::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ UnwrapCoreDragInfo(Local<Value> value) {
     return CoreDragInfo::Unwrap<CoreDragInfo>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitCoreDragInfo(Local<Object> exports) {
    CoreDragInfo::Init(exports);
  }

  class CoreDragOperation : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("CoreDragOperation").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

        Local<Function> func;
        Local<FunctionTemplate> funcTemplate;

          
            Nan::SetPrototypeMethod(localRef, "setPointerId", SetPointerId);
            Nan::SetPrototypeMethod(localRef, "setDragUIContentFromSoftwareBitmap", SetDragUIContentFromSoftwareBitmap);
          

          
            Nan::SetPrototypeMethod(localRef, "startAsync", StartAsync);
          


          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("dragUIContentMode").ToLocalChecked(), DragUIContentModeGetter, DragUIContentModeSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("data").ToLocalChecked(), DataGetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("allowedOperations").ToLocalChecked(), AllowedOperationsGetter, AllowedOperationsSetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("CoreDragOperation").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      CoreDragOperation(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info[0])) {
        try {
          winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 0)
      {
        try {
          winRtInstance = ref new ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation();
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      CoreDragOperation *wrapperInstance = new CoreDragOperation(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ winRtInstance;
      try {
        winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapCoreDragOperation(winRtInstance));
    }

    static void StartAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      ::Windows::Foundation::IAsyncOperation<::Windows::ApplicationModel::DataTransfer::DataPackageOperation>^ op;


      if (info.Length() == 1)
      {
        try
        {
          op = wrapper->_instance->StartAsync();
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::ApplicationModel::DataTransfer::DataPackageOperation> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = Nan::New<Integer>(static_cast<int>(result));
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        } catch (Platform::Exception^ exception) {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {
            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }

    static void SetPointerId(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      if (info.Length() == 1
        && info[0]->IsUint32())
      {
        try
        {
          unsigned int arg0 = static_cast<unsigned int>(Nan::To<uint32_t>(info[0]).FromMaybe(0));
          
          wrapper->_instance->SetPointerId(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }
    static void SetDragUIContentFromSoftwareBitmap(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      if (info.Length() == 1
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Graphics::Imaging::SoftwareBitmap^>(info[0]))
      {
        try
        {
          ::Windows::Graphics::Imaging::SoftwareBitmap^ arg0 = dynamic_cast<::Windows::Graphics::Imaging::SoftwareBitmap^>(NodeRT::Utils::GetObjectInstance(info[0]));
          
          wrapper->_instance->SetDragUIContentFromSoftwareBitmap(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Graphics::Imaging::SoftwareBitmap^>(info[0])
        && NodeRT::Utils::IsPoint(info[1]))
      {
        try
        {
          ::Windows::Graphics::Imaging::SoftwareBitmap^ arg0 = dynamic_cast<::Windows::Graphics::Imaging::SoftwareBitmap^>(NodeRT::Utils::GetObjectInstance(info[0]));
          ::Windows::Foundation::Point arg1 = NodeRT::Utils::PointFromJs(info[1]);
          
          wrapper->_instance->SetDragUIContentFromSoftwareBitmap(arg0, arg1);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }



    static void DragUIContentModeGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      try  {
        ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIContentMode result = wrapper->_instance->DragUIContentMode;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void DragUIContentModeSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      try {

        ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIContentMode winRtValue = static_cast<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIContentMode>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->DragUIContentMode = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void DataGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      try  {
        ::Windows::ApplicationModel::DataTransfer::DataPackage^ result = wrapper->_instance->Data;
        info.GetReturnValue().Set(NodeRT::Utils::CreateExternalWinRTObject("Windows.ApplicationModel.DataTransfer", "DataPackage", result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void AllowedOperationsGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      try  {
        ::Windows::ApplicationModel::DataTransfer::DataPackageOperation result = wrapper->_instance->AllowedOperations;
        info.GetReturnValue().Set(Nan::New<Integer>(static_cast<int>(result)));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void AllowedOperationsSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsInt32()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^>(info.This())) {
        return;
      }

      CoreDragOperation *wrapper = CoreDragOperation::Unwrap<CoreDragOperation>(info.This());

      try {

        ::Windows::ApplicationModel::DataTransfer::DataPackageOperation winRtValue = static_cast<::Windows::ApplicationModel::DataTransfer::DataPackageOperation>(Nan::To<int32_t>(value).FromMaybe(0));

        wrapper->_instance->AllowedOperations = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      


    private:
      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapCoreDragOperation(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ wintRtInstance);
      friend ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ UnwrapCoreDragOperation(Local<Value> value);
  };

  Persistent<FunctionTemplate> CoreDragOperation::s_constructorTemplate;

  v8::Local<v8::Value> WrapCoreDragOperation(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(CoreDragOperation::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragOperation^ UnwrapCoreDragOperation(Local<Value> value) {
     return CoreDragOperation::Unwrap<CoreDragOperation>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitCoreDragOperation(Local<Object> exports) {
    CoreDragOperation::Init(exports);
  }

  class CoreDragUIOverride : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("CoreDragUIOverride").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);


          
            Nan::SetPrototypeMethod(localRef, "setContentFromSoftwareBitmap", SetContentFromSoftwareBitmap);
            Nan::SetPrototypeMethod(localRef, "clear", Clear);
          



          
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("isGlyphVisible").ToLocalChecked(), IsGlyphVisibleGetter, IsGlyphVisibleSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("isContentVisible").ToLocalChecked(), IsContentVisibleGetter, IsContentVisibleSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("isCaptionVisible").ToLocalChecked(), IsCaptionVisibleGetter, IsCaptionVisibleSetter);
            Nan::SetAccessor(localRef->PrototypeTemplate(), Nan::New<String>("caption").ToLocalChecked(), CaptionGetter, CaptionSetter);

        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("CoreDragUIOverride").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      CoreDragUIOverride(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info[0])) {
        try {
          winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      CoreDragUIOverride *wrapperInstance = new CoreDragUIOverride(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ winRtInstance;
      try {
        winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapCoreDragUIOverride(winRtInstance));
    }


    static void SetContentFromSoftwareBitmap(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      if (info.Length() == 1
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Graphics::Imaging::SoftwareBitmap^>(info[0]))
      {
        try
        {
          ::Windows::Graphics::Imaging::SoftwareBitmap^ arg0 = dynamic_cast<::Windows::Graphics::Imaging::SoftwareBitmap^>(NodeRT::Utils::GetObjectInstance(info[0]));
          
          wrapper->_instance->SetContentFromSoftwareBitmap(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
      else if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::Graphics::Imaging::SoftwareBitmap^>(info[0])
        && NodeRT::Utils::IsPoint(info[1]))
      {
        try
        {
          ::Windows::Graphics::Imaging::SoftwareBitmap^ arg0 = dynamic_cast<::Windows::Graphics::Imaging::SoftwareBitmap^>(NodeRT::Utils::GetObjectInstance(info[0]));
          ::Windows::Foundation::Point arg1 = NodeRT::Utils::PointFromJs(info[1]);
          
          wrapper->_instance->SetContentFromSoftwareBitmap(arg0, arg1);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }
    static void Clear(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      if (info.Length() == 0)
      {
        try
        {
          wrapper->_instance->Clear();
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }



    static void IsGlyphVisibleGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try  {
        bool result = wrapper->_instance->IsGlyphVisible;
        info.GetReturnValue().Set(Nan::New<Boolean>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void IsGlyphVisibleSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsBoolean()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try {

        bool winRtValue = Nan::To<bool>(value).FromMaybe(false);

        wrapper->_instance->IsGlyphVisible = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void IsContentVisibleGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try  {
        bool result = wrapper->_instance->IsContentVisible;
        info.GetReturnValue().Set(Nan::New<Boolean>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void IsContentVisibleSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsBoolean()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try {

        bool winRtValue = Nan::To<bool>(value).FromMaybe(false);

        wrapper->_instance->IsContentVisible = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void IsCaptionVisibleGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try  {
        bool result = wrapper->_instance->IsCaptionVisible;
        info.GetReturnValue().Set(Nan::New<Boolean>(result));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void IsCaptionVisibleSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsBoolean()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try {

        bool winRtValue = Nan::To<bool>(value).FromMaybe(false);

        wrapper->_instance->IsCaptionVisible = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      
    static void CaptionGetter(Local<String> property, const Nan::PropertyCallbackInfo<v8::Value> &info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try  {
        Platform::String^ result = wrapper->_instance->Caption;
        info.GetReturnValue().Set(NodeRT::Utils::NewString(result->Data()));
        return;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }
    }
      
    static void CaptionSetter(Local<String> property, Local<Value> value, const Nan::PropertyCallbackInfo<void> &info) {
      HandleScope scope;

      if (!value->IsString()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Value to set is of unexpected type")));
        return;
      }

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info.This())) {
        return;
      }

      CoreDragUIOverride *wrapper = CoreDragUIOverride::Unwrap<CoreDragUIOverride>(info.This());

      try {

        Platform::String^ winRtValue = ref new Platform::String(NodeRT::Utils::StringToWchar(v8::String::Value(v8::Isolate::GetCurrent(), value)));

        wrapper->_instance->Caption = winRtValue;
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
      }
    }
      


    private:
      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapCoreDragUIOverride(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ wintRtInstance);
      friend ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ UnwrapCoreDragUIOverride(Local<Value> value);
  };

  Persistent<FunctionTemplate> CoreDragUIOverride::s_constructorTemplate;

  v8::Local<v8::Value> WrapCoreDragUIOverride(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(CoreDragUIOverride::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ UnwrapCoreDragUIOverride(Local<Value> value) {
     return CoreDragUIOverride::Unwrap<CoreDragUIOverride>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitCoreDragUIOverride(Local<Object> exports) {
    CoreDragUIOverride::Init(exports);
  }

  class CoreDropOperationTargetRequestedEventArgs : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("CoreDropOperationTargetRequestedEventArgs").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);


          
            Nan::SetPrototypeMethod(localRef, "setTarget", SetTarget);
          




        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("CoreDropOperationTargetRequestedEventArgs").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      CoreDropOperationTargetRequestedEventArgs(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^>(info[0])) {
        try {
          winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      CoreDropOperationTargetRequestedEventArgs *wrapperInstance = new CoreDropOperationTargetRequestedEventArgs(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ winRtInstance;
      try {
        winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapCoreDropOperationTargetRequestedEventArgs(winRtInstance));
    }


    static void SetTarget(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^>(info.This())) {
        return;
      }

      CoreDropOperationTargetRequestedEventArgs *wrapper = CoreDropOperationTargetRequestedEventArgs::Unwrap<CoreDropOperationTargetRequestedEventArgs>(info.This());

      if (info.Length() == 1
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info[0]))
      {
        try
        {
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ arg0 = UnwrapICoreDropOperationTarget(info[0]);
          
          wrapper->_instance->SetTarget(arg0);
          return;
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }
    }





    private:
      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapCoreDropOperationTargetRequestedEventArgs(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ wintRtInstance);
      friend ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ UnwrapCoreDropOperationTargetRequestedEventArgs(Local<Value> value);
  };

  Persistent<FunctionTemplate> CoreDropOperationTargetRequestedEventArgs::s_constructorTemplate;

  v8::Local<v8::Value> WrapCoreDropOperationTargetRequestedEventArgs(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(CoreDropOperationTargetRequestedEventArgs::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDropOperationTargetRequestedEventArgs^ UnwrapCoreDropOperationTargetRequestedEventArgs(Local<Value> value) {
     return CoreDropOperationTargetRequestedEventArgs::Unwrap<CoreDropOperationTargetRequestedEventArgs>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitCoreDropOperationTargetRequestedEventArgs(Local<Object> exports) {
    CoreDropOperationTargetRequestedEventArgs::Init(exports);
  }

  class ICoreDropOperationTarget : public WrapperBase {
    public:
      
      static void Init(const Local<Object> exports) {
        HandleScope scope;

        Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(New);
        s_constructorTemplate.Reset(localRef);
        localRef->SetClassName(Nan::New<String>("ICoreDropOperationTarget").ToLocalChecked());
        localRef->InstanceTemplate()->SetInternalFieldCount(1);

        Local<Function> func;
        Local<FunctionTemplate> funcTemplate;


          
            Nan::SetPrototypeMethod(localRef, "enterAsync", EnterAsync);
            Nan::SetPrototypeMethod(localRef, "overAsync", OverAsync);
            Nan::SetPrototypeMethod(localRef, "leaveAsync", LeaveAsync);
            Nan::SetPrototypeMethod(localRef, "dropAsync", DropAsync);
          



        Local<Object> constructor = Nan::To<Object>(Nan::GetFunction(localRef).ToLocalChecked()).ToLocalChecked();
        Nan::SetMethod(constructor, "castFrom", CastFrom);



        Nan::Set(exports, Nan::New<String>("ICoreDropOperationTarget").ToLocalChecked(), constructor);
      }

      virtual ::Platform::Object^ GetObjectInstance() const override {
        return _instance;
      }

    private:

      ICoreDropOperationTarget(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ instance) {
        _instance = instance;
      }

      
    static void New(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(s_constructorTemplate);

      // in case the constructor was called without the new operator
      if (!localRef->HasInstance(info.This())) {
        if (info.Length() > 0) {
          std::unique_ptr<Local<Value> []> constructorArgs(new Local<Value>[info.Length()]);

          Local<Value> *argsPtr = constructorArgs.get();
          for (int i = 0; i < info.Length(); i++) {
            argsPtr[i] = info[i];
          }

          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), constructorArgs.get());
          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        } else {
          MaybeLocal<Object> res = Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(), info.Length(), nullptr);

          if (res.IsEmpty()) {
            return;
          }

          info.GetReturnValue().Set(res.ToLocalChecked());
          return;
        }
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ winRtInstance;


      if (info.Length() == 1 && OpaqueWrapper::IsOpaqueWrapper(info[0]) &&
        NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info[0])) {
        try {
          winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^) NodeRT::Utils::GetObjectInstance(info[0]);
        } catch (Platform::Exception ^exception) {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no suitable constructor found")));
        return;
      }

      NodeRT::Utils::SetHiddenValue(info.This(), Nan::New<String>("__winRtInstance__").ToLocalChecked(), True());

      ICoreDropOperationTarget *wrapperInstance = new ICoreDropOperationTarget(winRtInstance);
      wrapperInstance->Wrap(info.This());

      info.GetReturnValue().Set(info.This());
    }


      
    static void CastFrom(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;
      if (info.Length() < 1 || !NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info[0])) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Invalid arguments, no object provided, or given object could not be casted to requested type")));
        return;
      }

      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ winRtInstance;
      try {
        winRtInstance = (::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^) NodeRT::Utils::GetObjectInstance(info[0]);
      } catch (Platform::Exception ^exception) {
        NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
        return;
      }

      info.GetReturnValue().Set(WrapICoreDropOperationTarget(winRtInstance));
    }

    static void EnterAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info.This())) {
        return;
      }

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ICoreDropOperationTarget *wrapper = ICoreDropOperationTarget::Unwrap<ICoreDropOperationTarget>(info.This());

      ::Windows::Foundation::IAsyncOperation<::Windows::ApplicationModel::DataTransfer::DataPackageOperation>^ op;


      if (info.Length() == 3
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info[0])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info[1]))
      {
        try
        {
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ arg0 = UnwrapCoreDragInfo(info[0]);
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ arg1 = UnwrapCoreDragUIOverride(info[1]);
          
          op = wrapper->_instance->EnterAsync(arg0,arg1);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::ApplicationModel::DataTransfer::DataPackageOperation> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = Nan::New<Integer>(static_cast<int>(result));
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        } catch (Platform::Exception^ exception) {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {
            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }
    static void OverAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info.This())) {
        return;
      }

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ICoreDropOperationTarget *wrapper = ICoreDropOperationTarget::Unwrap<ICoreDropOperationTarget>(info.This());

      ::Windows::Foundation::IAsyncOperation<::Windows::ApplicationModel::DataTransfer::DataPackageOperation>^ op;


      if (info.Length() == 3
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info[0])
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^>(info[1]))
      {
        try
        {
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ arg0 = UnwrapCoreDragInfo(info[0]);
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragUIOverride^ arg1 = UnwrapCoreDragUIOverride(info[1]);
          
          op = wrapper->_instance->OverAsync(arg0,arg1);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::ApplicationModel::DataTransfer::DataPackageOperation> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = Nan::New<Integer>(static_cast<int>(result));
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        } catch (Platform::Exception^ exception) {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {
            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }
    static void LeaveAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info.This())) {
        return;
      }

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ICoreDropOperationTarget *wrapper = ICoreDropOperationTarget::Unwrap<ICoreDropOperationTarget>(info.This());

      ::Windows::Foundation::IAsyncAction^ op;


      if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info[0]))
      {
        try
        {
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ arg0 = UnwrapCoreDragInfo(info[0]);
          
          op = wrapper->_instance->LeaveAsync(arg0);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<void> t) {
        try {
          t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> args[] = {Undefined()};


            invokeCallback(_countof(args), args);
          });
        } catch (Platform::Exception^ exception) {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {
            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }
    static void DropAsync(Nan::NAN_METHOD_ARGS_TYPE info) {
      HandleScope scope;

      if (!NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^>(info.This())) {
        return;
      }

      if (info.Length() == 0 || !info[info.Length() -1]->IsFunction()) {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: No callback was given")));
        return;
      }

      ICoreDropOperationTarget *wrapper = ICoreDropOperationTarget::Unwrap<ICoreDropOperationTarget>(info.This());

      ::Windows::Foundation::IAsyncOperation<::Windows::ApplicationModel::DataTransfer::DataPackageOperation>^ op;


      if (info.Length() == 2
        && NodeRT::Utils::IsWinRtWrapperOf<::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^>(info[0]))
      {
        try
        {
          ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::CoreDragInfo^ arg0 = UnwrapCoreDragInfo(info[0]);
          
          op = wrapper->_instance->DropAsync(arg0);
        }
        catch (Platform::Exception ^exception)
        {
          NodeRT::Utils::ThrowWinRtExceptionInJs(exception);
          return;
        }
      }
 else {
        Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"Bad arguments: no suitable overload found")));
        return;
      }

      auto opTask = create_task(op);
      uv_async_t* asyncToken = NodeUtils::Async::GetAsyncToken(info[info.Length() -1].As<Function>());

      opTask.then( [asyncToken] (task<::Windows::ApplicationModel::DataTransfer::DataPackageOperation> t) {
        try {
          auto result = t.get();
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [result](NodeUtils::InvokeCallbackDelegate invokeCallback) {


            Local<Value> error;
            Local<Value> arg1;
            {
              TryCatch tryCatch;
              arg1 = Nan::New<Integer>(static_cast<int>(result));
              if (tryCatch.HasCaught())
              {
                error = Nan::To<Object>(tryCatch.Exception()).ToLocalChecked();
              }
              else
              {
                error = Undefined();
              }
              if (arg1.IsEmpty()) arg1 = Undefined();
            }
            Local<Value> args[] = {error, arg1};


            invokeCallback(_countof(args), args);
          });
        } catch (Platform::Exception^ exception) {
          NodeUtils::Async::RunCallbackOnMain(asyncToken, [exception](NodeUtils::InvokeCallbackDelegate invokeCallback) {
            Local<Value> error = NodeRT::Utils::WinRtExceptionToJsError(exception);

            Local<Value> args[] = {error};
            invokeCallback(_countof(args), args);
          });
        }
      });
    }






    private:
      ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ _instance;
      static Persistent<FunctionTemplate> s_constructorTemplate;

      friend v8::Local<v8::Value> WrapICoreDropOperationTarget(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ wintRtInstance);
      friend ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ UnwrapICoreDropOperationTarget(Local<Value> value);
  };

  Persistent<FunctionTemplate> ICoreDropOperationTarget::s_constructorTemplate;

  v8::Local<v8::Value> WrapICoreDropOperationTarget(::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ winRtInstance) {
    EscapableHandleScope scope;

    if (winRtInstance == nullptr) {
      return scope.Escape(Undefined());
    }

    Local<Value> opaqueWrapper = CreateOpaqueWrapper(winRtInstance);
    Local<Value> args[] = {opaqueWrapper};
    Local<FunctionTemplate> localRef = Nan::New<FunctionTemplate>(ICoreDropOperationTarget::s_constructorTemplate);
    return scope.Escape(Nan::NewInstance(Nan::GetFunction(localRef).ToLocalChecked(),_countof(args), args).ToLocalChecked());
  }

  ::Windows::ApplicationModel::DataTransfer::DragDrop::Core::ICoreDropOperationTarget^ UnwrapICoreDropOperationTarget(Local<Value> value) {
     return ICoreDropOperationTarget::Unwrap<ICoreDropOperationTarget>(Nan::To<Object>(value).ToLocalChecked())->_instance;
  }

  void InitICoreDropOperationTarget(Local<Object> exports) {
    ICoreDropOperationTarget::Init(exports);
  }


} } } } } } 

NAN_MODULE_INIT(init) {
  // We ignore failures for now since it probably means that
  // the initialization already happened for STA, and that's cool

  CoInitializeEx(nullptr, COINIT_MULTITHREADED);

  /*
  if (FAILED(CoInitializeEx(nullptr, COINIT_MULTITHREADED))) {
    Nan::ThrowError(Nan::Error(NodeRT::Utils::NewString(L"error in CoInitializeEx()")));
    return;
  }
  */

      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitCoreDragUIContentModeEnum(target);
      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitCoreDragDropManager(target);
      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitCoreDragInfo(target);
      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitCoreDragOperation(target);
      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitCoreDragUIOverride(target);
      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitCoreDropOperationTargetRequestedEventArgs(target);
      NodeRT::Windows::ApplicationModel::DataTransfer::DragDrop::Core::InitICoreDropOperationTarget(target);


  NodeRT::Utils::RegisterNameSpace("Windows.ApplicationModel.DataTransfer.DragDrop.Core", target);
}



NODE_MODULE(binding, init)