void HandleStartSession( IPacketMsg packetMsg )
{
var startSess = new ClientMsgProtobuf<CMsgTrading_StartSession>( packetMsg );
#if STATIC_CALLBACKS
var callback = new SessionStartCallback( Client, startSess.Body );
SteamClient.PostCallback( callback );
#else
var callback = new SessionStartCallback( startSess.Body );
Client.PostCallback( callback );
#endif
}
#endregion