private void AttachEventHandlers()
{
_registrations.Disposable = null;
_activeDisposables = new CompositeDisposable();
if (m_button != null)
{
_activeDisposables.Add(m_button.RegisterDisposablePropertyChangedCallback(ButtonBase.IsPressedProperty, OnVisualPropertyChanged));
_activeDisposables.Add(m_button.RegisterDisposablePropertyChangedCallback(ButtonBase.IsPointerOverProperty, OnVisualPropertyChanged));
}
if (m_flyout != null)
{
m_flyout.Closed += OnFlyoutClosed;
m_flyout.Opening += OnFlyoutOpening;
_activeDisposables.Add(() => {
m_flyout.Closed -= OnFlyoutClosed;
m_flyout.Opening -= OnFlyoutOpening;
});
}
PointerEntered += OnMenuBarItemPointerEntered;
_activeDisposables.Add(() => PointerEntered -= OnMenuBarItemPointerEntered);
var pointerPressHandler = new PointerEventHandler(OnMenuBarItemPointerPressed);
AddHandler(UIElement.PointerPressedEvent, pointerPressHandler, true);
var keyDownHandler = new KeyEventHandler(OnMenuBarItemKeyDown);
AddHandler(UIElement.KeyDownEvent, keyDownHandler, true);
_activeDisposables.Add(() => {
RemoveHandler(UIElement.PointerPressedEvent, pointerPressHandler);
RemoveHandler(UIElement.KeyDownEvent, keyDownHandler);
});
AccessKeyInvoked += OnMenuBarItemAccessKeyInvoked;
_activeDisposables.Add(() => AccessKeyInvoked -= OnMenuBarItemAccessKeyInvoked);
_registrations.Disposable = _activeDisposables;
}
