public static void OnAttributePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SpeakerAttributeControl ac = (SpeakerAttributeControl)d;
if (ac._oldb != null)
{
BindingOperations.ClearBinding(ac, IsChangedProperty);
}
ac._oldb = new Binding("Changed")
{
Source = e.NewValue,
Mode = BindingMode.OneWay,
};
BindingOperations.SetBinding(ac, IsChangedProperty, ac._oldb);
}
public static void OnIsChangedPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SpeakerAttributeControl ac = (SpeakerAttributeControl)d;
ac.RaiseEvent(new RoutedEventArgs(ContentChangedEvent, ac));
}