Unit 'ComCtrls' Package
[Overview][Constants][Types][Classes][Procedures and functions][Index] [#lcl]

TCustomTreeView.DoStartDrag

Performs actions needed when a drag operation is started for the control.

Declaration

Source position: comctrls.pp line 3555

protected procedure TCustomTreeView.DoStartDrag(

  var DragObject: TDragObject

); override;

Arguments

DragObject

  

TDragObject instance for the drag and drop operation.

See also

TControl.DoStartDrag

  

Invokes the OnStartDrag handler.