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The type of an OnStartDrag handler.
Source position: controls.pp line 397
type TStartDragEvent = procedure( |
Sender: TObject; |
var DragObject: TDragObject |
) of object; |
Sender |
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The control to be dragged. |
DragObject |
|
Supply your own DragObject, or leave it Nil for automatic creation. |
An OnStartDrag event is generated by a control when it shall be dragged and its DragKind is dkDrag. The handler can provide a specific DragDrop object, else a standard TDragDropObjectEx is automatically created by the DragManager.
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The type of an OnStartDrag handler. |
lazarus-ccr.sourceforge.net |