public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e) { // Get the caller and make sure it's a PasswordBox. var passwordBox = sender as PasswordBox; if (passwordBox == null) { return; } // Remove any previous events. passwordBox.PasswordChanged -= PasswordBox_PasswordChanged; // If the caller set the MonitorPassword. if ((bool)e.NewValue) { // Set default value. HasTextProperty.SetValue(passwordBox); // Listen out for password changed. passwordBox.PasswordChanged += PasswordBox_PasswordChanged; } }
/// <summary> /// Fired when the PasswordBox value changes. /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e) => HasTextProperty.SetValue((PasswordBox)sender);