[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [IReadonlyMargin2d](./rc-js-util.ireadonlymargin2d.md) ## IReadonlyMargin2d interface [Margin2d](./rc-js-util.margin2d.md). **Signature:** ```typescript export interface IReadonlyMargin2d extends TPickExcept>, "setLeft" | "setRight" | "setTop" | "setBottom" | "update" | "copyFromBuffer" | TTypedArrayTupleMutativeMethods> ``` **Extends:** [TPickExcept](./rc-js-util.tpickexcept.md)<Readonly<[Margin2d](./rc-js-util.margin2d.md)<TArray>>, "setLeft" \| "setRight" \| "setTop" \| "setBottom" \| "update" \| "copyFromBuffer" \| [TTypedArrayTupleMutativeMethods](./rc-js-util.ttypedarraytuplemutativemethods.md)>