/// <summary>
/// Common PropertyChangedCallback for dependency properties that trigger visual state changes
/// </summary>
/// <param name="dObject"></param>
/// <param name="e"></param>
private static void OnVisualStatePropertyChanged(DependencyObject dObject, DependencyPropertyChangedEventArgs e)
{
CalendarButton button = dObject as CalendarButton;
if (button != null && !object.Equals(e.OldValue, e.NewValue))
{
button.ChangeVisualState(true);
}
}
