public void Serialize(Stream stream)
{
BinaryWriter bw = new BinaryWriter( stream );
bw.Write( steamIdChat );
bw.Write( steamIdFriend );
bw.Write( (int)ChatRoomType );
bw.Write( steamIdOwner );
bw.Write( steamIdClan );
bw.Write( ChatFlags );
bw.Write( (int)EnterResponse );
}