RadioButton Action Demo : Radio Button « GUI « VB.Net

RadioButton Action Demo

RadioButton Action Demo
Imports System
Imports System.Data
Imports System.Collections
Imports System.Windows.Forms

Public Class MainClass
    Shared Sub Main()
        Dim form1 As Form = New Form1()
    End Sub
End Class

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()

        'This call is required by the Windows Form Designer.

        '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
            End If
        End If
    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 txtWords As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents radCountChars As System.Windows.Forms.RadioButton
    Friend WithEvents radCountWords As System.Windows.Forms.RadioButton
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents lblResults As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.txtWords = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.radCountChars = New System.Windows.Forms.RadioButton()
        Me.radCountWords = New System.Windows.Forms.RadioButton()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.lblResults = New System.Windows.Forms.Label()
        Me.txtWords.Location = New System.Drawing.Point(8, 32)
        Me.txtWords.Multiline = True
        Me.txtWords.Name = "txtWords"
        Me.txtWords.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
        Me.txtWords.Size = New System.Drawing.Size(352, 152)
        Me.txtWords.TabIndex = 0
        Me.txtWords.Text = ""
        Me.Label1.Location = New System.Drawing.Point(8, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(160, 23)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "Enter some text into this box?"
        Me.radCountChars.Checked = True
        Me.radCountChars.Location = New System.Drawing.Point(8, 192)
        Me.radCountChars.Name = "radCountChars"
        Me.radCountChars.Size = New System.Drawing.Size(56, 32)
        Me.radCountChars.TabIndex = 2
        Me.radCountChars.TabStop = True
        Me.radCountChars.Text = "Chars"
        Me.radCountWords.Location = New System.Drawing.Point(64, 192)
        Me.radCountWords.Name = "radCountWords"
        Me.radCountWords.Size = New System.Drawing.Size(56, 32)
        Me.radCountWords.TabIndex = 3
        Me.radCountWords.Text = "Words"
        Me.Label2.Location = New System.Drawing.Point(128, 200)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(88, 16)
        Me.Label2.TabIndex = 4
        Me.Label2.Text = "The results are:"
        Me.lblResults.Location = New System.Drawing.Point(208, 200)
        Me.lblResults.Name = "lblResults"
        Me.lblResults.Size = New System.Drawing.Size(80, 16)
        Me.lblResults.TabIndex = 5
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(368, 229)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblResults, Me.Label2, Me.radCountWords, Me.radCountChars, Me.Label1, Me.txtWords})
        Me.Name = "Form1"
        Me.Text = "Word Counter"

    End Sub

#End Region

    Public Function CountCharacters(ByVal text As String) As Integer
        Return text.Length
    End Function

    Public Function CountWords(ByVal text As String) As Integer
        If txtWords.Text = "" Then Return 0

        Dim words() As String = text.Split(" ".ToCharArray())
        Return words.Length
    End Function

    Public Sub UpdateDisplay()
        Dim countText As String = txtWords.Text
        Dim resultText As String

        If radCountWords.Checked = True Then
            Dim numWords As Integer = CountWords(countText)
            resultText = numWords & " words"
            Dim numChars As Integer = CountCharacters(countText)
            resultText = numChars & " characters"
        End If
        lblResults.Text = resultText
    End Sub

    Private Sub txtWords_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtWords.TextChanged
    End Sub

    Private Sub radCountWords_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles radCountWords.CheckedChanged
    End Sub

    Private Sub radCountChars_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles radCountChars.CheckedChanged
    End Sub
End Class


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