void user_pin_GotFocus(object sender, RoutedEventArgs e)
{
avatar_image_LostFocus(null, null);
textbox_LostFocus(null, null);
if (user_pin.numpad_frame != null)
user_pin.numpad_frame.Visibility = System.Windows.Visibility.Visible;
else
user_pin.Reset(true);
user_pin.numpad.MoveAlongWith(parent, true);
}