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#Passwordbox replacement password
Then you can clear the PasswordBox by simply setting the Password source property to null in your view model. A databinding control replacement of PasswordBox. Property.SetValue(binding.DataItem, passwordBox.SecurePassword, null) PropertyInfo property = ().GetProperty() Var binding = BindingOperations.GetBindingExpression(behavior, PasswordProperty) Var behavior = Interaction.GetBehaviors(passwordBox).OfType().FirstOrDefault()
PasswordBox passwordBox = sender as PasswordBox Private static void OnPasswordBoxValueChanged(object sender, RoutedEventArgs e) PasswordBoxBindingBehavior behavior = d as PasswordBoxBindingBehavior ī -= OnPasswordBoxValueChanged ī = string.Empty ī += OnPasswordBoxValueChanged Private static void OnSourcePropert圜hanged(DependencyObject d, DependencyPropert圜hangedEventArgs e) Intel Security and PasswordBox share the same goal of improving digital identity. Public static readonly DependencyProperty PasswordProperty =ĭependencyProperty.Register("Password", typeof(SecureString), typeof(PasswordBoxBindingBehavior), new PropertyMetadata(OnSourcePropert圜hanged)) The PasswordBox service has already brought relief to millions of consumers who now enjoy simple, instant login. īelow is the class of the behavior which is also involved in XAML as you can se above: public class PasswordBoxBindingBehavior : BehaviorĪssociatedObject.PasswordChanged += OnPasswordBoxValueChanged Because everything that you have in your PasswordBox is encrypted and decrypted by a master password that only you know. Below is XAML snippet from login window markup where the PaswordBox is. What we see is the biometric will replace what we call the master password. Please see the picture below:Īs you can see Password is not empty but it must be empty in this case. If the PaswordBox is displayed in second or third time e.t.c, then it is not empty. (For example after the user closed current session he or she must see only empty Shell and login window above the Shell.) My problem is that the abovementioned PasswordBox is displayed empty only first time after application loading.
PasswordBox must be empty each time the login window is called while the application is running. In the view of login window (that is PrismUserControl) I have a PaswordBox bound (via Behavior) to 'Password' property in view model.
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