private static void HandlePasswordChanged(object sender, RoutedEventArgs e)
{
var box = sender as PasswordBox;
// set a flag to indicate that we're updating the password
UpdatingPassword.SetValue(box, true);
// push the new password into the BoundPassword property
SetValue(box, box.Password);
UpdatingPassword.SetValue(box, false);
}
public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var box = sender as PasswordBox;
// only handle this event when the property is attached to a PasswordBox
// and when the BindPassword attached property has been set to true
if (sender == null || !BindPassword.GetValue(sender))
{
return;
}
// avoid recursive updating by ignoring the box's changed event
box.PasswordChanged -= HandlePasswordChanged;
var newPassword = (string)e.NewValue;
if (!UpdatingPassword.GetValue(box))
{
box.Password = newPassword;
}
box.PasswordChanged += HandlePasswordChanged;
}