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blockly >IConnectionPreviewer >previewReplacement
IConnectionPreviewer.previewReplace() 方法
在 draggedCon 连接到 staticCon 时显示连接预览,并替换 replaceBlock(当前连接到 staticCon)。
Signature:
previewReplacement(draggedConn: RenderedConnection, staticConn: RenderedConnection, replacedBlock: BlockSvg): void;
参数
参数 |
类型 |
说明 |
draggedConn |
RenderedConnection |
|
staticConn |
RenderedConnection |
|
replacedBlock |
BlockSvg |
当前连接到要替换的 staticCon 的块。 |
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 `previewReplacement` method, part of the `IConnectionPreviewer` interface, shows a connection preview. This preview illustrates how a `draggedConn` would connect to a `staticConn`, effectively replacing a `replacedBlock` that is currently connected to the `staticConn`. The method takes three parameters: `draggedConn` (the connection being dragged), `staticConn` (the stationary connection), and `replacedBlock` (the block being replaced). The method returns void.\n"]]