private async void Connect_btn_Click(object sender, RoutedEventArgs e)
{
if (this.UserNameBox.Text != String.Empty && (this.AdressBox.SelectedItem != null || this.AdressBox.Text != String.Empty))
{
_name = this.UserNameBox.Text;
}
else
{
System.Windows.Forms.MessageBox.Show("Some fields are empty");
return;
}
string local_machine = (this.AdressBox.SelectedItem != null)? this.AdressBox.SelectedItem.ToString(): this.AdressBox.Text;
if (local_machine != null)
{
try
{
this.ConnectionLabel.Content = String.Format("Connecting to {0}", local_machine);
InstanceContext context = new InstanceContext(this);
chat_service = new ChatProviderClient(context, "NetTcpBinding_IChatProvider", String.Format("net.tcp://{0}:8733/ChatProvider/", local_machine));
await chat_service.RegisterNewUserAsync(_name);
this.UserNameLabel.Content = _name + ":";
this.ConnectionLabel.Content = "Getting users list";
var users = await chat_service.GetUsersListAsync();
users.ForEach(user => this.UsersList.Items.Add(user));
this.ConnectionLabel.Content = String.Format("Connected to {0}", local_machine);
}
catch (EndpointNotFoundException)
{
System.Windows.Forms.MessageBox.Show(string.Format("It seems that {0} doesn't host ChatServer", local_machine));
chat_service = null;
this.ConnectionLabel.Content = "Disconnected";
}
catch (FaultException <ExceptionType> fault)
{
chat_service = null;
var error_type = fault.Detail;
if (error_type == ExceptionType.UserAlreadyRegisterd)
{
System.Windows.Forms.MessageBox.Show(String.Format("User with name {0} already registered.\nTry Another name", _name));
}
this.ConnectionLabel.Content = "Disconnected";
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
chat_service = null;
this.ConnectionLabel.Content = "Disconnected";
}
}
}
