A check box control named chkFirst contains the following code in its CheckedChanged event procedure. Which of the following is true concerning the use of this control?
Dim message As String = "hello"
MessageBox.Show(message)

A) The message "hello" will appear when the user checks the control but not when it is unchecked.
B) The message "hello" will appear when the user unchecks the control but not when it is checked.
C) The message "hello" will appear when the user checks the control and again when it is unchecked.
D) The message "hello" will not appear using this code.

Question

A check box control named chkFirst contains the following code in its CheckedChanged event procedure. Which of the following is true concerning the use of this control? 
Dim message As String = "hello" 
MessageBox.Show(message)

A) The message "hello" will appear when the user checks the control but not when it is unchecked.
B) The message "hello" will appear when the user unchecks the control but not when it is checked.
C) The message "hello" will appear when the user checks the control and again when it is unchecked.
D) The message "hello" will not appear using this code.

Quizplus · Accepted Answer

The CheckedChanged event is triggered both when the checkbox is checked and when it is unchecked, so the message will appear in both cases.

A Check Box Control Named ChkFirst Contains the Following Code