nature_net.user_controls.signup.avatar_image_LostFocus C# (CSharp) Метод

        void avatar_image_LostFocus(object sender, RoutedEventArgs e)
        {
            if (!avatar_frame.IsFocused)
                if (avatar_frame != null)
                    avatar_frame.Visibility = System.Windows.Visibility.Collapsed;
        }