//向TCP服务器发送信息，由它转发信息
private void _sendBtn_Click(object sender, RoutedEventArgs e)
{
//_currentSelectUser
if (_currentSelectUser.State != offLine)
{
string text = "s" + _localUser.UserId.ToString() + "|" + _currentSelectUser.UserId.ToString()
+ "|" + _sendMseeageTb.Text;
Byte[] sendData = new Byte[text.Length];
sendData = Encoding.Default.GetBytes(text);
tcp_stream.BeginWrite(sendData, 0, sendData.Length, new AsyncCallback(
ar =>
{
tcp_stream.EndWrite(ar);
//MessageBox.Show("Send Ok!");
}
), (object)string.Empty);
//add to ChatContentCollection, but it is belong to me which I chat with.
ChatContent m = new ChatContent()
{
ImgSource = @"Resource/me.png",
Content = _sendMseeageTb.Text,
IsSelf = true
};
var vm = from b in chatContentCollectionList
where (b.ID == _currentSelectUser.UserId)
select b;
vm.ElementAt(0).ChatContentCollection.Add(m);
_sendLb.ScrollIntoView(m);
_sendMseeageTb.Text = string.Empty;
}
}
//异步更新UDP数据所包含的内容
private void updateRecvMsg(string temp)
{
string[] msg = temp.Split('|');//0:userid 1:msg
int userid = int.Parse(msg[0]);
//add to ChatContentCollection, but it is belong to people which he send to me.
ChatContent f = new ChatContent()
{
ImgSource = @"Resource/someone.png",
Content = msg[1],
IsSelf = false
};
var vf = from b in chatContentCollectionList
where (b.ID == userid)
select b;
vf.ElementAt(0).ChatContentCollection.Add(f);
_sendLb.ScrollIntoView(f);
//notify you to read message.
var notifyUser = from b in remoteUserCollection
where (b.UserId == userid)
select b;
notifyUser.ElementAt(0).NotifyColor = notifyColor;
}