Chapter 7, Problem 7E

Program Plan Intro

Form design:

• Open Microsoft Visual Studio.
• Select Visual Basic and click Windows Application.
• Name the project as “Zip Project”.
• Store the file in desired location.
• The created project is now displayed with a form in the name of Form1.
• Rename the Form1 as “Main Form” and add the necessary components.
• In property window, change the Form name and add changes for Form elements properties.
• Click the File menu->Save All.

View of the form design in the IDE:

The form control properties in the properties window are as follows:

Object	Property	Setting
Form1	Text	Zip Code
txtZip	Text	(Empty)
lblStatus	Text	(Empty)
btnDisplay	Text	Validate
btnExit	Text	Exit

• Add the required controls to the form.
• Add two button controls to validate the Zip code and exit the program respectively.