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blockly >IDeleteArea >wouldDelete
IDeleteArea.willDelete() 方法
返回所提供的区块或气泡在放在此区域时是否被删除。此方法应检查元素是否可删除,并且始终在 onDragEnter/onDragOver/onDragExit 之前调用。
Signature:
wouldDelete(element: IDraggable): boolean;
参数
返回:
布尔值
提供的元素在被放在此区域时是否会被删除。
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最后更新时间 (UTC):2025-07-25。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-07-25。"],[],["The `wouldDelete()` method, part of the `IDeleteArea` interface, determines if a dragged element will be deleted upon being dropped. It takes an `IDraggable` element (a block or bubble) as input. The method returns a boolean value, indicating whether the element would be deleted. This check for deletability happens prior to other drag-related events like `onDragEnter`, `onDragOver`, and `onDragExit`.\n"]]