Please help me!! USBUIRT. I need to use the Autoit call USBUIRT Dll. I used uuirtdrv.dll,But can't successfully. I read this article,but can't receiver data. $callR = DllCall($hdll, "UINT_PTR", "UUIRTGetDrvInfo" ,"UINT*",$vers) Use Code: $result = DllCall("uuirtdrv.dll", "str", " UUIRTSetReceiveCallback", "TimeCodeDiagram", 0, "DiagramLength", 0 ) ConsoleWrite( $result ) $result are blank,there should be IR Code. Found Call uuirtdrv.dll founction List: 1.Receiver : UUIRTSetReceiveCallback