public void Start() { Debug.Assert( Dispatcher.CurrentDispatcher == Application.Current.Dispatcher, "This method should only be called by the Application Thread." ); _vm = new TextualContextPreviewViewModel( TextualContextService ); _window = new TextualContextPreviewWindow( _vm ); _window.Width = 600; _window.Height = 300; _window.Show(); _subscriber = new WindowManagerSubscriber( WindowManager, WindowBinder ); _subscriber.OnBinderStarted = () => { if( _textualContext != null & _me != null ) WindowBinder.Service.Bind( _textualContext, _me, BindingPosition.Top ); }; _subscriber.OnBinderStopped = () => { if( _textualContext != null & _me != null ) WindowBinder.Service.Unbind( _textualContext, _me ); }; _subscriber.WindowRegistered = ( e ) => { if( e.Window.Name == WindowName ) { _me = e.Window; _textualContext = WindowManager.Service.GetByName( TextualContextArea.WindowName ); } if( e.Window.Name == TextualContextArea.WindowName ) _textualContext = e.Window; _subscriber.OnBinderStarted(); }; _subscriber.WindowUnregistered = ( e ) => { if( e.Window.Name == TextualContextArea.WindowName ) _subscriber.OnBinderStopped(); }; _subscriber.Subscribe( WindowName, _window ); }