[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Controls' (#lcl)

TControl.OnStartDrag

Event handler for start of dragging operation

Declaration

Source position: controls.pp line 1231

protected property TControl.OnStartDrag: TStartDragEvent
  read FOnStartDrag
  write FOnStartDrag;

Description

The handler can provide a special DragControl object, otherwise a default object is created.