public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
if (!(sender is PasswordBox passwordBox))
{
return;
}
passwordBox.PasswordChanged -= PasswordChanged;
if (!(bool)e.NewValue)
{
return;
}
HasTextProperty.SetValue(passwordBox);
passwordBox.PasswordChanged += PasswordChanged;
}
private static void PasswordChanged(object sender, RoutedEventArgs e)
{
HasTextProperty.SetValue((PasswordBox)sender);
}