Returns a pixel color according to x,y pixel coordinates.
PixelGetColor ( x , y [, hwnd] )
If PixelCoordMode is set to its default SCREEN (1) mode the hwnd parameter is ignored. Only if PixelCoordMode is set to WINDOW (0) or CLIENT (2) will it be honoured.
MouseGetPos, PixelChecksum, PixelCoordMode (Option), PixelSearch