private static void OnMessageTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
BackButtonControl borderControl = d as BackButtonControl;
borderControl.OnMessageTextChanged(e);
}
private static void OnSetButtonVisibilityChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
BackButtonControl borderControl = d as BackButtonControl;
borderControl.OnSetButtonVisibilityChanged(e);
}