blockly > blockRendering > Renderer > getConnectionPreviewMethod
blockRendering.Renderer.getConnectionPreviewMethod() method
v10 - This function is no longer respected. A custom IConnectionPreviewer may be able to fulfill the functionality.
Chooses a connection preview method based on the available connection, the current dragged connection, and the block being dragged.
Signature:
getConnectionPreviewMethod(closest: RenderedConnection, local: RenderedConnection, topBlock: BlockSvg): PreviewType;
Parameters
| Parameter | Type | Description |
|---|---|---|
| closest | RenderedConnection | The available connection. |
| local | RenderedConnection | The connection currently being dragged. |
| topBlock | BlockSvg | The block currently being dragged. |
Returns:
PreviewType
The preview type to display.