Mega Code Archive
RadioButton CheckedChanged
<![CDATA[
Option Strict On
Imports System.Windows.Forms
public class RadioButtonState
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
Friend WithEvents RadioButton1 As System.Windows.Forms.RadioButton
Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
Friend WithEvents RadioButton3 As System.Windows.Forms.RadioButton
Friend WithEvents Button1 As System.Windows.Forms.Button
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.GroupBox1 = New System.Windows.Forms.GroupBox()
Me.RadioButton3 = New System.Windows.Forms.RadioButton()
Me.RadioButton2 = New System.Windows.Forms.RadioButton()
Me.RadioButton1 = New System.Windows.Forms.RadioButton()
Me.Button1 = New System.Windows.Forms.Button()
Me.GroupBox1.SuspendLayout()
Me.SuspendLayout()
'
'GroupBox1
'
Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.RadioButton3, Me.RadioButton2, Me.RadioButton1})
Me.GroupBox1.Location = New System.Drawing.Point(40, 32)
Me.GroupBox1.Name = "GroupBox1"
Me.GroupBox1.Size = New System.Drawing.Size(240, 160)
Me.GroupBox1.TabIndex = 0
Me.GroupBox1.TabStop = False
Me.GroupBox1.Text = "Choose a button:"
'
'RadioButton3
'
Me.RadioButton3.Location = New System.Drawing.Point(40, 104)
Me.RadioButton3.Name = "RadioButton3"
Me.RadioButton3.Size = New System.Drawing.Size(144, 24)
Me.RadioButton3.TabIndex = 2
Me.RadioButton3.Text = "RadioButton3"
'
'RadioButton2
'
Me.RadioButton2.Location = New System.Drawing.Point(40, 64)
Me.RadioButton2.Name = "RadioButton2"
Me.RadioButton2.Size = New System.Drawing.Size(144, 24)
Me.RadioButton2.TabIndex = 1
Me.RadioButton2.Text = "RadioButton2"
'
'RadioButton1
'
Me.RadioButton1.Checked = True
Me.RadioButton1.Location = New System.Drawing.Point(40, 32)
Me.RadioButton1.Name = "RadioButton1"
Me.RadioButton1.Size = New System.Drawing.Size(144, 24)
Me.RadioButton1.TabIndex = 0
Me.RadioButton1.TabStop = True
Me.RadioButton1.Text = "RadioButton1"
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(56, 216)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(168, 23)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Which is Selected?"
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.GroupBox1})
Me.Name = "Form1"
Me.Text = "Form1"
Me.GroupBox1.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub RadioButton1_CheckedChanged(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles RadioButton1.CheckedChanged, _
RadioButton2.CheckedChanged, RadioButton3.CheckedChanged
End Sub
Private Sub Button1_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Button1.Click
Dim c As Object
For Each c In Me.GroupBox1.Controls
If TypeOf (c) Is RadioButton Then
Dim rb As RadioButton = CType(c, RadioButton)
If rb.Checked = True Then
MsgBox(CStr(rb.Name) & " is selected")
Exit For
End If
End If
Next
End Sub
End Class
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