Exemple #1
0
 public PreviewWindow(string file)
 {
     BrowseCommand  = new BrowseCommand(this);
     RefreshCommand = new RefreshCommand(this);
     ExitCommand    = new ExitCommand(this);
     InitializeComponent();
     File    = file;
     interop = new WindowInteropHelper(this);
     interop.EnsureHandle();
 }
Exemple #2
0
        public bool TranslateAccelerator(ref MSG msg)
        {
            if (msg.message != 0x100)
            {
                return(false);
            }
            var          vk       = msg.wParam.ToInt64();
            ModifierKeys modState = ModifierKeys.None;

            Dispatcher.Invoke(() => modState = Keyboard.Modifiers);
            Action action = null;

            try
            {
                switch (vk)
                {
                case 0x09:
                    if ((modState & ModifierKeys.Shift) == ModifierKeys.Shift)
                    {
                        action = () => contentPresenter.MoveFocus(new TraversalRequest(FocusNavigationDirection.Previous));
                    }
                    else
                    {
                        action = () => contentPresenter.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
                    }
                    return(true);

                case 0x42:
                    if ((modState & (ModifierKeys.Control | ModifierKeys.Alt | ModifierKeys.Shift)) == ModifierKeys.Control)
                    {
                        action = () =>
                        {
                            BrowseCommand.Execute(null);
                            contentPresenter.Focus();
                        };
                        return(true);
                    }
                    return(false);

                case 0x74:
                    if ((modState & (ModifierKeys.Control | ModifierKeys.Alt | ModifierKeys.Shift | ModifierKeys.Windows)) == ModifierKeys.None)
                    {
                        action = () =>
                        {
                            RefreshCommand.Execute(null);
                            contentPresenter.Focus();
                        };
                        return(true);
                    }
                    return(false);

                case 0x1b:
                    if ((modState & (ModifierKeys.Control | ModifierKeys.Alt | ModifierKeys.Shift | ModifierKeys.Windows)) == ModifierKeys.None)
                    {
                        action = () => ExitCommand.Execute(null);
                        return(true);
                    }
                    return(false);

                default:
                    return(false);
                }
            }
            finally
            {
                if (action != null)
                {
                    Dispatcher.InvokeAsync(action, DispatcherPriority.Send);
                }
            }
        }