void HandleTradeProposed( IPacketMsg packetMsg )
{
var tradeProp = new ClientMsgProtobuf<CMsgTrading_InitiateTradeRequest>( packetMsg );
#if STATIC_CALLBACKS
var callback = new TradeProposedCallback( Client, tradeProp.Body );
SteamClient.PostCallback( callback );
#else
var callback = new TradeProposedCallback( tradeProp.Body );
Client.PostCallback( callback );
#endif
}
void HandleTradeResult( IPacketMsg packetMsg )