public override void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// make sure it is attached to a PasswordBox
var passwordBox = d as PasswordBox;
if (passwordBox == null)
{
return;
}
var isMonitored = (bool)e.NewValue;
if (isMonitored)
{
passwordBox.PasswordChanged += PasswordBoxOnPasswordChanged;
// Set HasText on hookup
PasswordBox_HasTextProperty.SetValue(passwordBox);
}
else
{
passwordBox.PasswordChanged -= PasswordBoxOnPasswordChanged;
}
}
/// <summary>
/// Set HasText property on password changed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PasswordBoxOnPasswordChanged(object sender, RoutedEventArgs e)
{
PasswordBox_HasTextProperty.SetValue((PasswordBox)sender);
}