blockly >拖动 >BlockDragStrategy >startDrag
monitoring.BlockDragStrategy.startDrag() 方法
处理用于开始拖动的任何设置，包括将代码块与任何父代码块断开连接。
Signature:
startDrag(e?: PointerEvent): void;
参数
| 参数 | 类型 | 说明 |
|---|---|---|
| e | PointerEvent | （可选） |
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 `startDrag` method, part of the `BlockDragStrategy` in the `dragging` namespace, prepares a block for dragging. It manages the initial setup for the drag operation, which involves disconnecting the block from its parent, ensuring it can be moved independently. The method accepts an optional `PointerEvent` parameter and returns no value (`void`).\n"]]