Func when pixle change..

[Vegar]

Hello...

I want to make a func when a surtain pixlearea chenge in an inactive window ... and i want this to work evendo its used on computers with diffrent screen sizes..

i found this on the forum, i would think this is something for me to start with, but i dont want it to open any gui or anything like that

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#include <GDIPlus.au3>
#include <WinAPI.au3>
#include <ScreenCapture.au3>

_GDIPlus_Startup()

;$hGUI = GUICreate("Screen Capture", 400, 300, @DesktopWidth, @DesktopHeight)
;GUISetState()


$hGUI = WinGetHandle("AutoIt Help")
WinMove($hGUI, "", @DesktopWidth, @DesktopHeight)



$iWidth = _WinAPI_GetWindowWidth($hGUI)
$iHeight = _WinAPI_GetWindowHeight($hGUI)


$hParent = GUICreate("WindowViewer", 500, 400)
$hGraphics = _GDIPlus_GraphicsCreateFromHWND($hParent)
GUISetState()


While 1

$hBMP = _WinCapture($hGUI, $iWidth, $iHeight)

$hImage = _GDIPlus_BitmapCreateFromHBITMAP($hBMP)

_GDIPlus_GraphicsDrawImageRectRect($hGraphics, $hImage, 0, 0, $iWidth, $iHeight, 50, 50, 400, 300)

_GDIPlus_ImageDispose($hImage)
_WinAPI_DeleteObject($hBMP)

Sleep(1000)

WEnd


Func _WinCapture($hWnd, $iWidth = -1, $iHeight = -1)
Local $iH, $iW, $hDDC, $hCDC, $hBMP

If $iWidth = -1 Then $iWidth = _WinAPI_GetWindowWidth($hWnd)
If $iHeight = -1 Then $iHeight = _WinAPI_GetWindowHeight($hWnd)



$hDDC = _WinAPI_GetDC($hWnd)
$hCDC = _WinAPI_CreateCompatibleDC($hDDC)
$hBMP = _WinAPI_CreateCompatibleBitmap($hDDC, $iWidth, $iHeight)
_WinAPI_SelectObject($hCDC, $hBMP)

DllCall("User32.dll", "int", "PrintWindow", "hwnd", $hWnd, "hwnd", $hCDC, "int", 0)
;_WinAPI_BitBlt($hCDC, 0, 0, $iW, $iH, $hDDC, 0, 0, 0x00330008)


_WinAPI_ReleaseDC($hWnd, $hDDC)
_WinAPI_DeleteDC($hCDC)

;_ScreenCapture_SaveImage(@DesktopDir&"\window.jpg", $hBMP)
;_WinAPI_DeleteObject($hBMP)

Return $hBMP

EndFunc ;==>_WinCapture