GDI+ Backbuffer

#include <GDIPlus.au3>

;...

_GDIPlus_Startup() ; GDI+ starten
$GUI = GUICreate($Title, $Width, $Height) ; GUI erstellen
$Graphics = _GDIPlus_GraphicsCreateFromHWND($GUI) ; Grafik erstellen
$Bitmap = _GDIPlus_BitmapCreateFromGraphics($Width, $Height, $Graphics) ; Bitmap erstellen
$Buffer = _GDIPlus_ImageGetGraphicsContext($Bitmap) ; Bitmap als Buffer benutzen
GUISetState(@SW_SHOW, $GUI) ; GUI anzeigen

Do
    _GDIPlus_GraphicsClear($Buffer, $BackgroundColor) ; Buffer leeren
    _GDIPlus_GraphicsDraw...($Buffer, ...) ; verschiedenste Elemente auf Buffer zeichnen
    _GDIPlus_GraphicsDrawImageRect($Graphics, $Bitmap, 0, 0, $Width, $Height) ; Buffer in Grafik zeichnen
    Switch GUIGetMsg() ; Nachrichten der GUI auswerten
        Case -3 ; $GUI_EVENT_CLOSE
            ExitLoop ; Schleife verlassen
    EndSwitch
Until False ; Endlosschleife
_GDIPlus_GraphicsDispose($Buffer) ; alle
_GDIPlus_BitmapDispose($Bitmap) ; Ressourcen
_GDIPlus_GraphicsDispose($Graphics) ; freigeben
_GDIPlus_Shutdown() ; GDI+ beenden
Exit ; Skript beenden