Basics
More Complex Examples
Basic Controls with Visual Basic 2008
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Radio Buttons
The primary use of RadioButtons is to give users certain choice
options. Different from checkboxes the user can not select more than one
option at a time. In other words it is basically a choice of this or
that. However RadioButtons can also be embedded in GroupBoxes to allow
for more than one choice option in one Windows form. I will use the
following example to demonstrate.
Create a new project.
From the Toolbox menu create three RadioButtons on the form. Select the
GroupBox icon and draw a GroupBox on the form. Now inside the GroupBox
draw three more RadioButtons. Change the text attribute of RadioButton1
to "Form-A", Radiobutton2 to "Form-B" and RadioButton3 to "Form-C".
Change the text attribute of RadioButton4 to "Blue", RadioButton5 to
"Green" and RadioButton6 to "White". Your form should look something
like this.
Figure 7: RadioButton
Now double click on each RadioButton and change its event handling code to the following:
Public Class Form1
Private Sub RadioButton1_CheckedChanged(ByVal
sender As System.Object,
ByVal ...
Me.Text = "Form-A"
End Sub
Private Sub RadioButton2_CheckedChanged(ByVal
sender As System.Object,
ByVal...
Me.Text = "Form-B"
End Sub
Private Sub RadioButton3_CheckedChanged(ByVal
sender As System.Object,
ByVal ...
Me.Text = "Form-C"
End Sub
Private Sub RadioButton4_CheckedChanged(ByVal
sender As System.Object,
ByVal ...
Me.BackColor = Color.Blue
End Sub
Private Sub RadioButton5_CheckedChanged(ByVal
sender As System.Object,
ByVal ...
Me.BackColor = Color.Green
End Sub
Private Sub RadioButton6_CheckedChanged(ByVal
sender As System.Object,
ByVal ...
Me.BackColor = Color.White
End Sub
End Class
When you run the application you will see that when you select one of
the top three Radiobuttons
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