Chapter 2.LB, Problem 3E

Explanation of Solution

View the form design in the IDE:

Lock the controls:

• Right click the form -> click “Lock Controls” to lock the controls.

Assign tab index:

• Click the “Form” -> Click “View” option in the menu bar -> Click “Tab Order”.
• Assign the tab order just by clicking the numbers using the mouse in the blue boxes for each control.

Screenshot of show tab order

Assign Access key:

• Access key can be assigned to any control by including the ampersand (&) before any letter of the control’s text in the text property, to make the letter as an access key.
• It can be done by clicking the label in the form and changing the text using the property window.
• The following table displays the list of controls and its access keys.

Table with list of controls and its access keys

txtProjIncrease	The letter “i” in the Projected increase: identifying label
txtStraw	The first letter “s” in the strawberries: identifying label
txtBlue	The first letter “b” in the blueberries: identifying label
txtRasp	The first letter “r” in the raspberries: identifying label
btnCalc	The first letter “c” in the Calculate caption
btnPrint	The first letter “p” in the Print caption
btnClear	The letter “l” in the Clear Screen caption
btnExit	The letter “x” in the Exit caption

Thus, the interface has been designed with access keys and tab order.

Code for Exit button:

• Code for exit button’s click event procedure to exit the application

Public Class FormMain

Double click on the “Exit” button, and add the following code in the code window:

    Private Sub Button4_Click(sender As System...