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Reference for unit 'Controls' (#lcl)

TWinControl.DoDragMsg

Dispatches a drag message, sent by the DragManager.

Declaration

Source position: controls.pp line 2232

protected function TWinControl.DoDragMsg(

ADragMessage: TDragMessage;

APosition: TPoint;

ADragObject: TDragObject;

ATarget: TControl;

ADocking: Boolean

):LRESULT; override;

On dmFindTarget, a TWinControl returns the child control under the mouse, or Self if none is found.

All other messages are handled by the inherited TControl.DoDragMsg method.