Function Reference


_GDIPlus_GraphicsCreateFromHWND

Create a Graphics object from a window handle

#include <GDIPlus.au3>
_GDIPlus_GraphicsCreateFromHWND ( $hWnd )

Parameters

$hWnd Handle to a window

Return Value

Success: a handle to a Graphics object.
Failure: 0 and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPIP_ERR* see GPIPlusConstants.au3).

Remarks

When you are done with the Graphics object, call _GDIPlus_GraphicsDispose() to release the resources.

Related

_GDIPlus_GraphicsDispose

See Also

Search GdipCreateFromHWND in MSDN Library.

Example

#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>

Example()

Func Example()
        Local $hGUI, $hGraphic, $hBrush, $hFormat, $hFamily, $hFont, $tLayout

        ; Create GUI
        $hGUI = GUICreate("GDI+", 400, 300)
        GUISetState(@SW_SHOW)

        ; Draw a string
        _GDIPlus_Startup()
        $hGraphic = _GDIPlus_GraphicsCreateFromHWND($hGUI)
        $hBrush = _GDIPlus_BrushCreateSolid(0x7F00007F)
        $hFormat = _GDIPlus_StringFormatCreate()
        $hFamily = _GDIPlus_FontFamilyCreate("Arial")
        $hFont = _GDIPlus_FontCreate($hFamily, 12, 2)
        $tLayout = _GDIPlus_RectFCreate(140, 110, 100, 20)
        _GDIPlus_GraphicsDrawStringEx($hGraphic, "Hello world", $hFont, $tLayout, $hFormat, $hBrush)

        ; Loop until the user exits.
        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE

        ; Clean up resources
        _GDIPlus_FontDispose($hFont)
        _GDIPlus_FontFamilyDispose($hFamily)
        _GDIPlus_StringFormatDispose($hFormat)
        _GDIPlus_BrushDispose($hBrush)
        _GDIPlus_GraphicsDispose($hGraphic)
        _GDIPlus_Shutdown()
EndFunc   ;==>Example