public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
//get caller
var passwordBox = sender as PasswordBox;
//make sure it is passwordBox
if (passwordBox == null)
{
return;
}
//remove previous events
passwordBox.PasswordChanged -= PasswordBox_PasswordChanged;
//if true listen out
if ((bool)e.NewValue)
{
//set default value
HasTextProperty.SetValue(passwordBox);
passwordBox.PasswordChanged += PasswordBox_PasswordChanged;
}
}
private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e)
{
HasTextProperty.SetValue((PasswordBox)sender);
}