public void EndGetProtocolInfo(IntPtr aAsyncHandle, out String aSource, out String aSink)
{
uint code;
string desc;
if (Invocation.Error(aAsyncHandle, out code, out desc))
{
throw new ProxyError(code, desc);
}
uint index = 0;
aSource = Invocation.OutputString(aAsyncHandle, index++);
aSink = Invocation.OutputString(aAsyncHandle, index++);
}