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blockly >IDragTarget >IDragTargetonDragEnter
IDragTarget.onDragEnter() 方法
在带有方块或气泡的光标进入此拖动目标时进行处理。
Signature:
onDragEnter(dragElement: IDraggable): void;
参数
返回:
void
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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 `onDragEnter` method, part of the `IDragTarget` interface, manages the event when a dragged element (either a block or bubble) enters the target area. It accepts a single parameter, `dragElement`, which is an `IDraggable` object representing the item being dragged. This method's core action is handling the entry, and it does not return any value, as indicated by the `void` return type.\n"]]