public void sendChatRemoved(int seq, string consumer, string lastMessageId)
{
#if !SILVERLIGHT
send_sendChatRemoved(seq, consumer, lastMessageId);
recv_sendChatRemoved();
#else
var asyncResult = Begin_sendChatRemoved(null, null, seq, consumer, lastMessageId);
End_sendChatRemoved(asyncResult);
#endif
}
#if SILVERLIGHT