public override void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
// get the caller
var passwordBox = sender as PasswordBox;
// make sure it is a passwordBox
if (passwordBox == null)
{
return;
}
// remove any previous event
passwordBox.PasswordChanged -= PasswordBox_PasswordChanged;
// if the caller set MonitorPassword to true
if ((bool)e.NewValue)
{
// set default property
HasTextProperty.SetValue(passwordBox);
// start listening out for password changes
passwordBox.PasswordChanged += PasswordBox_PasswordChanged;
}
}
/// <summary>
/// fired when the password box password value changes
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e)
{
// set the attached HasText value
HasTextProperty.SetValue((PasswordBox)sender);
}