private void connectedUsers_DoubleClick(object sender, EventArgs e)
{
if (connectedUsers.SelectedItem != null)
{
string target = connectedUsers.SelectedItem.ToString();
if (!IMs.ContainsKey(target))
{
ChatIM im = new ChatIM(this, target);//,"this is a test");
//im.addMessage("hello");
IMs.Add(connectedUsers.SelectedItem.ToString(), im);
im.ShowDialog();
}
}
}
private void openIM(ChatIM im)
{
im.Show();
}
private void ReceiveCallback(IAsyncResult ar)
{
try
{
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.socket;
int bytesRead = client.EndReceive(ar);
state.sb.Append(Encoding.ASCII.GetString(state.dataBuffer, 0, bytesRead));
response = state.sb.ToString();
if (response.Contains("connect:") && response.IndexOf("connect:") == 0)
{
string result = response.Substring(8);
int index = result.IndexOf(",");
if (index > -1)
{
bool done = false;
while (done == false)
{
string user = result.Substring(0, index);
if (user != userText.Text)
{
AddUsers(user);// connectedUsers.Items.Add(user);
}
result = result.Substring(index + 1);
index = result.IndexOf(",");
if (index == -1)
{
connectedUsers.Items.Add(result);
done = true;
}
}
}
else
{
if (userText.Text != result)
{
AddUsers(result);// connectedUsers.Items.Add(result);
}
}
}
else if (response.Contains("disconnect:") && response.IndexOf("disconnect:") == 0)
{
string user = response.Substring(11);
RemoveUsers(user);// connectedUsers.Items.Remove(user);
}
else if (response.Contains("IM_") && response.IndexOf("IM_") == 0)
{
string message = response.Substring(3);
string user = message.Substring(0, message.IndexOf(":"));
//string message = str.Substring(str.IndexOf(":") + 1);
if (!IMs.ContainsKey(user))
{
ChatIM im = new ChatIM(this, user);
IMs.Add(user, im);
im.addMessage(message);
im.ShowDialog();
}
else
{
IMs[user].addMessage(message);
}
}
else if (response == "Server_Disconnect")
{
Disconnect();
return;
}
else if (response == "USER_EXISTS")
{
MessageBox.Show("The user you entered in already exists");
Disconnect();
return;
}
else
{
UpdateTextBox(response);
}
state.sb.Clear();
client.BeginReceive(state.dataBuffer, 0, state.bufferSize, 0,
new AsyncCallback(ReceiveCallback), state);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Disconnect();
}
}
