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

OnDrawDockImage

Routine used to draw dock images in drag/dock operations

Declaration

Source position: controls.pp line 586

var OnDrawDockImage: TDrawDockImageEvent = Nil;

Description

OnDrawDockImage is a TDrawDockImageEvent variable which contains the default routine used to draw the docking image in a drag/dock operation. It is used in TDragDockObject methods which draw docking images likes HideDockImage, ShowDockImage, and MoveDockInage.

See also

TDragDockObject.ShowDockImage

  

Shows the DockRect, and remembers the coordinates in EraseDockRect.

TDragDockObject.HideDockImage

  

Hides the DockRect, and invalidates EraseDockRect to prevent further erases.

TDragDockObject.MoveDockImage

  

Moves an already visible DockRect.
Version 4.0 Generated 2025-05-03 Home