public static bool MoveFocus(this IKeyEventArgs e) => !e.AltOrCtrl() && e.Up() && e.KeyCode == Key.Tab;
public static bool OpenContextMenu(this IKeyEventArgs e) => !e.AltOrCtrl() && e.Up() && ((e.IsShift() && e.KeyCode == Key.F10) || (!e.IsShift() && e.KeyCode == Key.Menu));
public static bool AppClick(this IKeyEventArgs e) => !e.AltOrCtrl() && (e.KeyCode == Key.Tab || e.KeyCode == Key.Escape) || e.OpenContextMenu();