Exercises
Create a new project named Demo, and
place 3 buttons on the form. Set their text to
1,
2,
3 respectively.
Create three labels, and set their text to
A,
B, and
C. Now place
suitable code in the appropriate button methods so that:
(a) clicking
button1 sets the text of all the labels
to Yes.
(b) clicking
button2 sets the text of all the
buttons to No.
(c) clicking
button3 sets the text values back to
A,
B,
C.
Result (Save to
your local machine and run)
This involves the use of the
Visible
property of a control, which can be set to
True or
False. For
example, the following code makes label1
invisible:
label1.Visible = False
Write a program with two buttons and one label. Clicking one button makes the label invisible, and clicking the other button makes it visible again.
Result (Save to
your local machine and run)