protected override void OnStartup(StartupEventArgs e)
{
// check for a handle on the command-line;
// if not found, prompt user for input
String handle;
var result = getHandle(e.Args,out handle);
if (result.HasValue && result.Value)
{
// handle acquired, pass to Model
var chatzClient = new ChatzClient(handle);
// reset "automatic" shuntdown mode
Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
// initialize View (i.e. the app's main form)
Current.MainWindow = new MainWindow();
// initialize ViewModel and bind to View
Current.MainWindow.DataContext = new MainWindowViewModel(chatzClient);
// launch GUI
Current.MainWindow.Show();
}
else
{
// no handle given, user has opted to exit application
Current.Shutdown();
}
}
protected override void OnStartup(StartupEventArgs e)
{
// check for a handle on the command-line;
// if not found, prompt user for input
String handle;
var result = getHandle(e.Args, out handle);
if (result.HasValue && result.Value)
{
// handle acquired, pass to Model
var chatzClient = new ChatzClient(handle);
// reset "automatic" shuntdown mode
Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
// initialize View (i.e. the app's main form)
Current.MainWindow = new MainWindow();
// initialize ViewModel and bind to View
Current.MainWindow.DataContext = new MainWindowViewModel(chatzClient);
// launch GUI
Current.MainWindow.Show();
}
else
{
// no handle given, user has opted to exit application
Current.Shutdown();
}
}
public MainWindowViewModel(ChatzClient model)
{
// initialize list of received broadcasts
messages_ = new ObservableCollection <SentMessage>();
// receiving a broadcast triggers INotifyPropertyChanged
messages_.CollectionChanged += (_, e) => { Notify("Messages"); };
// store proxy connection to chat server
this.model = model;
// handle receipt of broadcst message
model.MessageReceived += (_, e) => { messages_.Add(e.Message); };
// expose handle to GUI
Handle = model.Handle;
// wire-up command to pass messages to server; resets GUI input
sendMessage = new RelayCommand(_ => { this.model.Send(this.Input ?? "");
this.Input = null; });
}
public MainWindowViewModel(ChatzClient model)
{
// initialize list of received broadcasts
messages_ = new ObservableCollection<SentMessage>();
// receiving a broadcast triggers INotifyPropertyChanged
messages_.CollectionChanged += (_, e) => { Notify("Messages"); };
// store proxy connection to chat server
this.model = model;
// handle receipt of broadcst message
model.MessageReceived += (_, e) => { messages_.Add(e.Message); };
// expose handle to GUI
Handle = model.Handle;
// wire-up command to pass messages to server; resets GUI input
sendMessage = new RelayCommand(_ => { this.model.Send(this.Input ?? "");
this.Input = null; });
}
