Get CheckBox Selection state : CheckBox « GUI « VB.Net

1. VB.Net
2. GUI
3. CheckBox

Get CheckBox Selection state

Imports System.Windows.Forms


Module Module1

    Sub Main()
        Application.Run(New Form1)
    End Sub

End Module




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

    '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.
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox3 As System.Windows.Forms.CheckBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.CheckBox1 = New System.Windows.Forms.CheckBox()
        Me.CheckBox2 = New System.Windows.Forms.CheckBox()
        Me.CheckBox3 = New System.Windows.Forms.CheckBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.SuspendLayout()
        '
        'CheckBox1
        '
        Me.CheckBox1.Location = New System.Drawing.Point(24, 32)
        Me.CheckBox1.Name = "CheckBox1"
        Me.CheckBox1.TabIndex = 0
        Me.CheckBox1.Text = "Item 1 "
        Me.CheckBox1.ThreeState = True
        '
        'CheckBox2
        '
        Me.CheckBox2.Location = New System.Drawing.Point(24, 72)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(136, 24)
        Me.CheckBox2.TabIndex = 1
        Me.CheckBox2.Text = "Item 2 "
        Me.CheckBox2.ThreeState = True
        '
        'CheckBox3
        '
        Me.CheckBox3.Location = New System.Drawing.Point(24, 112)
        Me.CheckBox3.Name = "CheckBox3"
        Me.CheckBox3.Size = New System.Drawing.Size(144, 24)
        Me.CheckBox3.TabIndex = 2
        Me.CheckBox3.Text = "Item 3"
        Me.CheckBox3.ThreeState = True
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(32, 176)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(224, 56)
        Me.Label1.TabIndex = 3
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Label1, Me.CheckBox3, Me.CheckBox2, Me.CheckBox1})
        Me.Name = "Form1"
        Me.Text = "CheckBoxDemo"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub CheckBox1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles CheckBox1.Click, CheckBox2.Click, CheckBox3.Click
        Label1.Text = "Choices: "
        If (CheckBox1.Checked) Then
            Label1.Text = Label1.Text & " " & CheckBox1.Text
        End If

        If (CheckBox1.CheckState = CheckState.Indeterminate) Then
            Label1.Text = Label1.Text & " " & CheckBox1.Text & " (I)"
        End If

        If (CheckBox2.Checked) Then
            Label1.Text = Label1.Text & " " & CheckBox2.Text
        End If

        If (CheckBox2.CheckState = CheckState.Indeterminate) Then
            Label1.Text = Label1.Text & " " & CheckBox2.Text & " (I)"
        End If

        If (CheckBox3.Checked) Then
            Label1.Text = Label1.Text & " " & CheckBox3.Text
        End If

        If (CheckBox3.CheckState = CheckState.Indeterminate) Then
            Label1.Text = Label1.Text & " " & CheckBox3.Text & " (I)"
        End If

        Label1.Refresh()
    End Sub

End Class

           
       

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