Returning an "out ushort" handle

Question

I AM TRYING TO GET THE HANDLE RETURNED FROM "out ushort FlibHndl" IN CLASS BELOW. [DllImport("FWLIB32.dll", EntryPoint="cnc_allclibhndl3")] public static extern short cnc_allclibhndl3( [In,MarshalAs(UnmanagedType.AsAny)] Object ip, ushort port,int timeout, out ushort FlibHndl); C# DOES NOT LET ME DECLARE "out ushort hCNC" private void GetRBit_Click(object sender, System.EventArgs e) { out ushort hCNC; HOW DO I DECLARE THIS TO ACQUIRE MY FlibHndl??? bool ret; Focas1 FOCAS1 = new Focas1(); ret = FOCAS1.cnc_allclibhndl3( "190.190.11.11", 8193, 10, hCNC ) ; }