C#: Handling Events (GUI): Please include comments explaining your code.

Create a project for a sandwich shop. The project, named SalsSandwiches, allows a user to use a ListBox to choose a type of sandwich from at least four choices (for example, Roast beef). When the user selects a sandwich type, the program should display a second ListBox that contains at least three types of bread (for example Whole wheat). After the user selects a bread type, the program should display a third ListBox with at least three choices for additions (for example, Lettuce). Display a message on a Label that lists all the chosen options, and make the bread and additions ListBoxes invisible. If the user makes a new selection from the first ListBox with the main sandwich choices, the bread option becomes available again, and if a new bread selection is chosen, the additions option becomes available again. 5