public int RegisterAsync([NativeTypeName("RPCOLEMESSAGE *")] RPCOLEMESSAGE *pMsg, [NativeTypeName("IAsyncManager *")] IAsyncManager *pAsyncMgr)
 {
     return(((delegate * stdcall <IRpcChannelBuffer3 *, RPCOLEMESSAGE *, IAsyncManager *, int>)(lpVtbl[15]))((IRpcChannelBuffer3 *)Unsafe.AsPointer(ref this), pMsg, pAsyncMgr));
 }
 public int RegisterAsync(RPCOLEMESSAGE *pMsg, IAsyncManager *pAsyncMgr)
 {
     return(((delegate * unmanaged <IRpcChannelBuffer3 *, RPCOLEMESSAGE *, IAsyncManager *, int>)(lpVtbl[15]))((IRpcChannelBuffer3 *)Unsafe.AsPointer(ref this), pMsg, pAsyncMgr));
 }