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blockly >DragTarget >DragTargetshouldPreventMove
DragTarget.shouldpreventMove() 方法
返回所提供的区块或气泡在被放在此组件上后是否应移动。如果为 true,元素将回到开始拖动时所处的位置。
Signature:
shouldPreventMove(_dragElement: IDraggable): boolean;
参数
返回:
布尔值
是否应返回所提供的区块或气泡以开始拖动。
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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 `shouldPreventMove()` method determines if a dragged block or bubble should return to its starting position after being dropped. It accepts an `IDraggable` element (the dragged block or bubble) as input. The method then returns a boolean value: `true` if the element should return to its original location, and `false` if the move is allowed. This controls whether the drag operation is considered successful.\n"]]