private void Connect()
{
if (proxy == null)
{
try
{
this.localClient = new ChatUser();
this.localClient.UserName = loginTxtBoxUName.Text.ToString();
InstanceContext context = new InstanceContext(this);
proxy = new Duplex_ChatServiceClient(context);
proxy.Open();
proxy.InnerDuplexChannel.Faulted += new EventHandler(InnerDuplexChannel_Faulted);
proxy.InnerDuplexChannel.Opened += new EventHandler(InnerDuplexChannel_Opened);
proxy.InnerDuplexChannel.Closed += new EventHandler(InnerDuplexChannel_Closed);
proxy.ConnectAsync(this.localClient);
proxy.ConnectCompleted += new EventHandler <ConnectCompletedEventArgs>(proxy_ConnectCopleted);
}
catch (Exception exception)
{
loginTxtBoxUName.Text = exception.Message.ToString();
loginLabelStatus.Content = "Offline";
loginButtonConnect.IsEnabled = true;
}
}
else
{
HandleProxy();
}
}
private void buttonConnect_Click(object sender, RoutedEventArgs e)
{
loginButtonConnect.IsEnabled = false;
loginLabelStatus.Content = "Connecting..";
proxy = null;
Connect();
}
private void HandleProxy()
{
if (proxy != null)
{
switch (this.proxy.State)
{
case CommunicationState.Closed:
{
proxy = null;
chatListBoxMsgs.Items.Clear();
chatListBoxNames.Items.Clear();
loginLabelStatus.Content = "Disconnected";
ShowChat(false);
ShowLogin(true);
loginButtonConnect.IsEnabled = true;
break;
}
case CommunicationState.Closing:
break;
case CommunicationState.Created:
break;
case CommunicationState.Faulted:
{
proxy.Abort();
proxy = null;
chatListBoxMsgs.Items.Clear();
chatListBoxNames.Items.Clear();
loginLabelStatus.Content = "Disconnected";
ShowChat(false);
ShowLogin(true);
loginButtonConnect.IsEnabled = true;
break;
}
case CommunicationState.Opened:
{
ShowChat(true);
ShowLogin(false);
chatLabelCurrentStatus.Content = "Online";
chatLabelCurrentUName.Content = this.localClient.UserName;
break;
}
case CommunicationState.Opening:
break;
default:
break;
}
}
}
