form1.vb

来自「Mastering VBNet Include Source Code」· VB 代码 · 共 82 行

Option Strict On
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 Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox

    '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.Button1 = New System.Windows.Forms.Button()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Font = New System.Drawing.Font("Verdana", 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(392, 48)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Test Base and Derived Class Members"
        '
        'TextBox1
        '
        Me.TextBox1.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.TextBox1.Location = New System.Drawing.Point(16, 72)
        Me.TextBox1.Multiline = True
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(392, 136)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(424, 221)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox1, Me.Button1})
        Me.Name = "Form1"
        Me.Text = "Inheritance Keywords"
        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 objParent As New ParentClass()
        Dim objDerived As New DerivedClass()
        'TextBox1.AppendText("1 " & (objParent.Method1) & vbcrlf)
        TextBox1.AppendText("<Calling Method1> " & objDerived.Method1 & vbCrLf)
        TextBox1.AppendText("<Calling Method5> " & objDerived.Method5 & vbCrLf)
        TextBox1.AppendText("<Calling Method4> " & objDerived.Method4 & vbCrLf)
        TextBox1.AppendText("<Calling newMethod> " & objDerived.newMethod & vbCrLf)
    End Sub
End Class