public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e) { // Get the caller PasswordBox 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 MonitorPassword to true start listening out for password changes if ((bool)e.NewValue) { HasTextProperty.SetValue(passwordBox); passwordBox.PasswordChanged += PasswordBox_PasswordChanged; } }
/// <summary> /// Event fired when the password box changes values /// </summary> /// <param name="sender">The password box</param> /// <param name="e">Events</param> private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e) { // Set the attached HasText value HasTextProperty.SetValue((PasswordBox)sender); }