Updates the position, size, shape, content, and translucency of a layered window
_WinAPI_UpdateLayeredWindowIndirect ( $hWnd, $tULWINFO )
|$hWnd||Handle to a layered window. A layered window is created by specifying $WS_EX_LAYERED when its creating.|
|$tULWINFO||$tagUPDATELAYEREDWINDOWINFO structure that contains the information for the window.|
For best drawing performance by the layered window and any underlying windows, the layered window should be
as small as possible.
This function requires Windows Vista or later.
Search UpdateLayeredWindowIndirect in MSDN Library.