testform.vb

Mastering VBNet Include Source Code

Public Class TestForm
    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 Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
        Friend WithEvents bttnInitTimer As System.Windows.Forms.Button

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    '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.Button2 = New System.Windows.Forms.Button()
        Me.Button3 = New System.Windows.Forms.Button()
        Me.bttnInitTimer = New System.Windows.Forms.Button()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'Button2
        '
        Me.Button2.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Button2.Location = New System.Drawing.Point(16, 40)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(176, 23)
        Me.Button2.TabIndex = 1
        Me.Button2.Text = "Handle Exceptions"
        '
        'Button3
        '
        Me.Button3.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Button3.Location = New System.Drawing.Point(16, 72)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(176, 23)
        Me.Button3.TabIndex = 2
        Me.Button3.Text = "Test Equals Method"
        '
        'bttnInitTimer
        '
        Me.bttnInitTimer.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.bttnInitTimer.Location = New System.Drawing.Point(16, 104)
        Me.bttnInitTimer.Name = "bttnInitTimer"
        Me.bttnInitTimer.Size = New System.Drawing.Size(176, 23)
        Me.bttnInitTimer.TabIndex = 3
        Me.bttnInitTimer.Text = "Initialize Timer"
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(16, 8)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(176, 23)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Test Properties"
        '
        'TestForm
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(208, 141)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.bttnInitTimer, Me.Button3, Me.Button2, Me.Button1})
        Me.Name = "TestForm"
        Me.Text = "TestForm"
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim obj1 As New Minimal()
        Console.WriteLine(obj1.CountWords("The quick brown fox jumped over the lazy dog"))
        obj1.property1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
        obj1.property2 = 999999
        Console.WriteLine(obj1.ReverseString)
        Console.WriteLine(obj1.NegateNumber)
        Dim obj2 As New Minimal()
        obj2 = obj1
        If obj1.Equals(obj2) Then Console.WriteLine("They're equal")
        obj2.property1 = "abcdefghijklmnopqrstuvwxyz"
        If obj1.Equals(obj2) Then Console.WriteLine("They're equal")

        Console.WriteLine(obj1.CountWords("The quick brown fox jumped over the lazy dog"))
        obj1.property1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
        obj1.property2 = 999999
        Console.WriteLine(obj1.ReverseString)
        Console.WriteLine(obj1.NegateNumber)

        obj1.BDate = #2/9/1952#
        Console.WriteLine(obj1.Age)
        obj1.BDate = #1/1/2900#
        Console.WriteLine(obj1.Age)
        Console.WriteLine(obj1.ToString)
        Console.WriteLine(obj2.ToString)
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim obj As New Minimal()
        obj.property1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

        Dim obj2 As New Minimal()

        Try
            obj2.Age = 300
        Catch exc As ArgumentException
            MsgBox("Can't accept your value, will continue with default value of 30")
            obj2.Age = 30
        End Try

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, _
                              ByVal e As System.EventArgs) Handles Button3.Click
        Dim obj As Minimal
        obj = New Minimal()
        obj.BDate = #2/9/1932#
        Dim discount As Single
        If obj.GetAgeGroup = Minimal.AgeGroup.Baby Or _
                    obj.GetAgeGroup = Minimal.AgeGroup.Toddler Then discount = 0.4
        If obj.GetAgeGroup = Minimal.AgeGroup.Senior Then discount = 1.2
        If obj.GetAgeGroup = Minimal.AgeGroup.Teenager Then discount = 0.25
        Console.WriteLine(discount)

        Dim O1 As New Minimal()
        Dim O2 As New Minimal()
        O1.BDate = #3/1/1960#
        O2.BDate = #3/1/1960#
        O1.property1 = "object1"
        O2.property1 = "object2"
        If O1.Equals(O2) Then
            MsgBox("They're equal")
        Else
            MsgBox("They're not equal")
        End If
    End Sub

    Dim WithEvents Timerobj As Minimal
    Private Sub Timerobj_TeaTime(ByVal sender As System.Object) Handles Timerobj.TeaTime
        MsgBox("It's tea time")
    End Sub

    Private Sub bttnInitTimer_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bttnInitTimer.Click
        Timerobj = New Minimal()
    End Sub

End Class