Returns the source size of the Desktop Window Manager (DWM) thumbnail
#include <WinAPIGdi.au3>
_WinAPI_DwmQueryThumbnailSourceSize ( $hThumbnail )
| $hThumbnail | Handle of the thumbnail to retrieve the source window size from. |
| Success: | $tagSIZE structure that contains the size of the source thumbnail. |
| Failure: | Sets the @error flag to non-zero, @extended flag may contain the HRESULT error code. |
This function requires Windows Vista or later.
Search DwmQueryThumbnailSourceSize in MSDN Library.