public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e) { //Get the caller var passwordBox = sender as PasswordBox; //Make sure it is a Password box if (passwordBox == null) { return; } //remove any previous events passwordBox.PasswordChanged -= PasswordBox_PasswordChanged; //If the caller set Monitor to true... if ((bool)e.NewValue) { //Set default value HasTextProperty.SetValue(passwordBox); //Start listening out for password change passwordBox.PasswordChanged += PasswordBox_PasswordChanged; } }
/// <summary> /// Fired when the password box password value changes /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e) { //Set the attached HasText value HasTextProperty.SetValue((PasswordBox)sender); }