Radio Button

A Radio Button allows users to select only one option from multiple choices.

• Checkbox → Multiple selections
• Radio Button → Only ONE selection

Common uses:

• Gender selection
• Payment method
• Product choice
• Survey questions

User selects ONE color only.

Private Sub BtnConfirm_Click(...) Handles BtnConfirm.Click

Dim Tcolor As String

If RadioRed.Checked Then
    Tcolor = "Red Color"
    LblDisplay.ForeColor = Color.Red

ElseIf RadioGreen.Checked Then
    Tcolor = "Green Color"
    LblDisplay.ForeColor = Color.Green

Else
    Tcolor = "Yellow Color"
    LblDisplay.ForeColor = Color.Yellow
End If

LblDisplay.Text = Tcolor

End Sub

Only ONE option can be selected at any time.

Radio buttons can be grouped using GroupBox. Each group allows ONE selection.

• Group 1 → Size
• Group 2 → Color

Dim TSize, TColor As String

If RadioXL.Checked Then
    TSize = "XL"
ElseIf RadioL.Checked Then
    TSize = "L"
ElseIf RadioM.Checked Then
    TSize = "M"
Else
    TSize = "S"
End If

If RadioRed.Checked Then
    TColor = "Red"
ElseIf RadioBlue.Checked Then
    TColor = "Blue"
Else
    TColor = "Beige"
End If

LblSize.Text = TSize
LblColor.Text = TColor