HELP!! CallDLL usbuirt!

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.
http://www.autoitscript.com/forum/topic/143608-help-with-dllcall/
$callR = DllCall($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
2.Send : UUIRTTransmitIR

And I Found Autohotkey USBUIRT Library,But I Just want use the Autoit!
Please help.
Thank!