Tutorial $9-1$:

Completing an application that writes data to a file

Step $1$: Open the File WriteLine Demo project from the student sample programs folder named Chap$9$VFile WriteLine Demo. The application form is shown in Figure $9-4.$

Figure $9-4$ File Writeline Demo form

Step $2$: Complete the code for the form's event handlers as shown in the following. $($Don$\text{'}$t type the line numbers. They are shown for reference.$)$ Be sure to write the Imports statement shown in line $1.$