nature_net.user_controls.window_content.textbox_LostFocus C# (CSharp) Метод

        void textbox_LostFocus(object sender, RoutedEventArgs e)
        {
            if (!comment_textbox_reply.IsFocused && !comment_textbox_default.IsFocused)// && !textbox_password.IsFocused)
                keyboard_frame.Visibility = System.Windows.Visibility.Collapsed;
        }