public void StartUp() { LoadConfig(); RegisterWnd(); RegisterProto(); m_wndMgr.OpenWindow(WndID.Login); XStream stream = new XStream(); stream.WriteInt(123); stream.Seek(0, System.IO.SeekOrigin.Begin); // stream.Seek(0,System.IO.SeekOrigin.Current); m_protoMgr.OnProtocol(Protocol.GNP_ACCOUNT_LOGIN, stream); }