void model_MessageBroadcast(LobbyServer model, int userId, string content)
{
User u = model.GetUser(userId);
UIDispatcher.Invoke(() =>
{
if (u != null) chat.AppendText("\n" + u.Name + ": " + content);
else chat.AppendText("\n" + "[" + userId + "]" + ": " + content);
});
}
void model_UserChanged(LobbyServer sender, int userId)
{
//thread
UIDispatcher.Invoke(() =>
{
User u = sender.GetUser(userId);
UserVM uvm = usersDictionary.ValueOrDefault(userId);
if (u == null)
{
usersDictionary.Remove(userId);
users.Remove(uvm);
string x = "\n<SYSTEM> User"+ userId;
if (uvm != null) x += " " + uvm.Name;
chat.AppendText(x + " exits.");
}
else
{
if (uvm == null) AddUser(u);
else uvm.RefreshProperties(u);
}
});
}
private void StartServer()
{
model = new LobbyServer(new TcpMessageServer(9898));
model.UserChanged += model_UserChanged;
model.MessageBroadcast += model_MessageBroadcast;
try
{
model.Start();
}
catch (Exception e)
{
System.Windows.MessageBox.Show(e.Message);
return;
}
s.Content = "Stop";
mask.Visibility = System.Windows.Visibility.Hidden;
usersDictionary = new Dictionary<int, UserVM>(50);//容量
users = new ObservableCollection<UserVM>();
var us = model.Users;
foreach (User u in us) AddUser(u);
usersView.ItemsSource = users;
}