Chapter 3.2, Problem 13E

Explanation of Solution

Given: The following lines of code:

Dim num As Double

txtBox.Text = "5"

num = 0.5 + CDbl(txtBox.Text)

txtBox.Text = CStr(num)

To find: The final output or result of the following lines of code.

Dim num As Double

txtBox.Text = "5"

num = 0.5 + CDbl(txtBox.Text)

txtBox.Text = CStr(num)

Solution:

Open the application named “Windows Forms� to create a form named “Form1�. Take a text box named “txtBox�.

Double-click the form named “Form1� for writing the following code.

'Declare the class

Public Class Form1

'Declare the event

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase...