private KeyBinding CreateFrozenKeyBinding(ICommand command, ModifierKeys modifiers, Key key)
{
var kb = new KeyBinding(command, key, modifiers);
kb.Freeze();
return(kb);
}
static LostKeyboardFocusBehavior()
{
EnterKeyBinding = new KeyBinding(new DelegateCommand(() => Keyboard.ClearFocus()), new KeyGesture(Key.Enter));
EnterKeyBinding.Freeze();
}