封鎖 >事件 >BlockMoveoldParentId
Events.BlockMove.oldParentId 屬性
舊父項區塊的 ID。未定義是否為頂層封鎖。
Signature:
oldParentId?: string;
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上次更新時間:2024-08-29 (世界標準時間)。
[null,null,["上次更新時間:2024-08-29 (世界標準時間)。"],[[["The `oldParentId` property stores the ID of the block's previous parent block before a move event."],["If the block was initially at the top level (not nested within another block), `oldParentId` will be undefined."],["This property is specifically part of the `BlockMove` event within Blockly's Events namespace."],["Developers can use `oldParentId` to track and respond to changes in block hierarchy during drag-and-drop interactions."]]],[]]