private void HandleEditClassButton(object sender, RoutedEventArgs e)
        {
            ClassInformation win3 = new ClassInformation(CurrentCourse, true);

            win3.Show();

            /*
             * if (EditClassButton.Content.Equals("Edit"))
             * {
             *  ClassNameTextBox.IsEnabled = true;
             *  ClassCRNTextBox.IsEnabled = true;
             *  ClassSemesterTextBox.IsEnabled = true;
             *  ClassSizeTextBox.IsEnabled = true;
             *  EditClassButton.Content = "Save";
             * }
             * else
             * {
             *  ClassNameTextBox.IsEnabled = false;
             *  ClassCRNTextBox.IsEnabled = false;
             *  ClassSemesterTextBox.IsEnabled = false;
             *  ClassSizeTextBox.IsEnabled = false;
             *  EditClassButton.Content = "Edit";
             * }
             */
        }
        private void HandleAddClassButton(object sender, RoutedEventArgs e)
        {
            ClassInformation win3 = new ClassInformation(CurrentCourse, false);

            win3.Show();
        }