Chapter 10, Problem 6PP

Program Plan Intro

Dorm and Meal Plan Calculator

Program plan:

Design the form:

• Place two label boxes control on the form, and change its name and properties.
• Place two list boxes control on the form, and change its name and properties.
• Place a button on the form, and change its name and properties to retrieve the object properties and then display the values in message box.

In code window, write the code:

Program.cs:

• Include the required libraries.
• Define the namespace “Program10_6”.
  • Define a class “Program”.
    • Define a constructor for the class.
    • Define required functions to run “Form1”.

Form1.cs:

• Include the required libraries.
• Define namespace “Program10_6”.
  • Define a class “Form1”.
  • Initialize the variables.
  • Assign the values for dormitories and meal plans.
  • In Form1_Load() method, display the retrieved fields in message box.
  • In listBox1_SelectedIndexChanged() method,
    • Convert the selected item to string and assign it to a variable.
    • The loop executes until the value of “i” exceeds the given count of items in the listbox.
    • Check whether the selected item is present in the array. If yes, then assign its value to a variable.
  • In listBox1_SelectedIndexChanged() method,
    • Convert the selected item to string and assign it to a variable.
    • The loop executes until the value of “i” exceeds the given count of items in the listbox.
    • Check whether the selected item is present in the array. If yes, then assign its value to a variable.
  • In button1_Click() method,
    • Initialize the values for the properties.
    • Create an object.
    • Display the retrieved fields in message box.
  • Close the application.

Form Design:

View the Form Design in IDE.

Set the Form Control properties in Properties window as follows:

Object	Property	Setting
Form1	Text	Program 10_6
label1	Text	Dormitory:
label2	Text	Meal Plan:
listBox1	Items	(Collection)
listBox2	Items	(Collection)
button1	Text	Display

• Add two label controls to the form from Toolbox.
• Add two list box controls to the form from Toolbox.
• Add one button control to the form from Toolbox.