private static void HandleIsAccessKeyScopePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue.Equals(true))
{
AccessKeyManager.AddAccessKeyPressedHandler(d, HandleScopedElementAccessKeyPressed);
}
else
{
AccessKeyManager.RemoveAccessKeyPressedHandler(d, HandleScopedElementAccessKeyPressed);
}
}
/// <summary>
/// Called when the <see cref="P:DigitalRune.Window.AccessKeyScope.IsEnabled"/> property
/// changed.
/// </summary>
/// <param name="dependencyObject">The dependency object.</param>
/// <param name="eventArgs">
/// The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.
/// </param>
private static void OnIsEnabledChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
if ((bool)eventArgs.NewValue)
{
AccessKeyManager.AddAccessKeyPressedHandler(dependencyObject, OnAccessKeyPressed);
}
else
{
AccessKeyManager.RemoveAccessKeyPressedHandler(dependencyObject, OnAccessKeyPressed);
}
}
private static void OnIsAccessKeyScopeChanged(FrameworkElement element, bool oldValue, bool newValue)
{
if (newValue)
{
AccessKeyManager.AddAccessKeyPressedHandler(element, HandleScopedElementAccessKeyPressed);
}
else
{
AccessKeyManager.RemoveAccessKeyPressedHandler(element, HandleScopedElementAccessKeyPressed);
}
}
private void DisonnectFromPresentationSource()
{
if (_rootInputElement != null)
{
foreach (string registeredKey in _renameAccessKeys)
{
AccessKeyManager.Unregister(registeredKey, _rootInputElement);
}
AccessKeyManager.RemoveAccessKeyPressedHandler(_rootDependencyObject, OnAccessKeyPressed);
}
_presentationSource = null;
_rootDependencyObject = null;
_rootInputElement = null;
}
private static void OnIsEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (d == null)
{
return;
}
if ((bool)e.NewValue)
{
AccessKeyManager.AddAccessKeyPressedHandler(d, HandleAccessKeyPressed);
}
else
{
AccessKeyManager.RemoveAccessKeyPressedHandler(d, HandleAccessKeyPressed);
}
}