unit virtualpanningwindow; {$mode objfpc}{$H+} interface uses LCLType, Graphics, Classes, SysUtils; type { TVirtualPanningWindow } TVirtualPanningWindow = class private FHandle: THandle; FOwnerHandle: THandle; FImage: TBitmap; procedure HandlePaintMessage; public procedure Start(OwnerHandle: THandle; const Position: TPoint); procedure Stop; procedure Show(ClipRegion: HRGN); property Image: TBitmap read FImage; property Handle: THandle read FHandle; end; implementation {$ifdef DEBUG_VTV} uses vtlogger; {$endif} { TVirtualPanningWindow } procedure TVirtualPanningWindow.HandlePaintMessage; begin end; procedure TVirtualPanningWindow.Start(OwnerHandle: THandle; const Position: TPoint); begin FImage := TBitmap.Create; end; procedure TVirtualPanningWindow.Stop; begin FImage.Free; FImage := nil; end; procedure TVirtualPanningWindow.Show(ClipRegion: HRGN); begin {$ifdef DEBUG_VTV}Logger.SendBitmap([lcPanning],'Panning Image',FImage);{$endif} end; end.