form1.vb

Source code for VB.NET book - Chapter 3

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    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

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
    Friend WithEvents RichTextBox1 As System.Windows.Forms.RichTextBox
    Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem3 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem4 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem5 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem6 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem7 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem8 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem9 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem10 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem11 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem12 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem13 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem14 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem15 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem16 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem17 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem18 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem19 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem20 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem21 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem22 As System.Windows.Forms.MenuItem
    Friend WithEvents SaveFileDialog1 As System.Windows.Forms.SaveFileDialog
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.MainMenu1 = New System.Windows.Forms.MainMenu
        Me.MenuItem1 = New System.Windows.Forms.MenuItem
        Me.MenuItem2 = New System.Windows.Forms.MenuItem
        Me.MenuItem3 = New System.Windows.Forms.MenuItem
        Me.MenuItem4 = New System.Windows.Forms.MenuItem
        Me.MenuItem5 = New System.Windows.Forms.MenuItem
        Me.MenuItem6 = New System.Windows.Forms.MenuItem
        Me.MenuItem7 = New System.Windows.Forms.MenuItem
        Me.MenuItem8 = New System.Windows.Forms.MenuItem
        Me.MenuItem9 = New System.Windows.Forms.MenuItem
        Me.MenuItem10 = New System.Windows.Forms.MenuItem
        Me.MenuItem11 = New System.Windows.Forms.MenuItem
        Me.MenuItem12 = New System.Windows.Forms.MenuItem
        Me.MenuItem14 = New System.Windows.Forms.MenuItem
        Me.MenuItem13 = New System.Windows.Forms.MenuItem
        Me.MenuItem15 = New System.Windows.Forms.MenuItem
        Me.MenuItem17 = New System.Windows.Forms.MenuItem
        Me.MenuItem18 = New System.Windows.Forms.MenuItem
        Me.MenuItem19 = New System.Windows.Forms.MenuItem
        Me.MenuItem16 = New System.Windows.Forms.MenuItem
        Me.MenuItem20 = New System.Windows.Forms.MenuItem
        Me.MenuItem21 = New System.Windows.Forms.MenuItem
        Me.MenuItem22 = New System.Windows.Forms.MenuItem
        Me.RichTextBox1 = New System.Windows.Forms.RichTextBox
        Me.SaveFileDialog1 = New System.Windows.Forms.SaveFileDialog
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog
        Me.SuspendLayout()
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem6, Me.MenuItem10})
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem2, Me.MenuItem3, Me.MenuItem4, Me.MenuItem5})
        Me.MenuItem1.Text = "文件"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 0
        Me.MenuItem2.Text = "新建"
        '
        'MenuItem3
        '
        Me.MenuItem3.Index = 1
        Me.MenuItem3.Text = "打开"
        '
        'MenuItem4
        '
        Me.MenuItem4.Index = 2
        Me.MenuItem4.Text = "保存"
        '
        'MenuItem5
        '
        Me.MenuItem5.Index = 3
        Me.MenuItem5.Text = "退出"
        '
        'MenuItem6
        '
        Me.MenuItem6.Index = 1
        Me.MenuItem6.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem7, Me.MenuItem8, Me.MenuItem9})
        Me.MenuItem6.Text = "编辑"
        '
        'MenuItem7
        '
        Me.MenuItem7.Index = 0
        Me.MenuItem7.Text = "剪切"
        '
        'MenuItem8
        '
        Me.MenuItem8.Index = 1
        Me.MenuItem8.Text = "复制"
        '
        'MenuItem9
        '
        Me.MenuItem9.Index = 2
        Me.MenuItem9.Text = "粘贴"
        '
        'MenuItem10
        '
        Me.MenuItem10.Index = 2
        Me.MenuItem10.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem11, Me.MenuItem13})
        Me.MenuItem10.Text = "字体颜色"
        '
        'MenuItem11
        '
        Me.MenuItem11.Index = 0
        Me.MenuItem11.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem12, Me.MenuItem14})
        Me.MenuItem11.Text = "大小"
        '
        'MenuItem12
        '
        Me.MenuItem12.Index = 0
        Me.MenuItem12.Text = "小字体（10）"
        '
        'MenuItem14
        '
        Me.MenuItem14.Index = 1
        Me.MenuItem14.Text = "大字体（20）"
        '
        'MenuItem13
        '
        Me.MenuItem13.Index = 1
        Me.MenuItem13.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem15, Me.MenuItem16})
        Me.MenuItem13.Text = "颜色"
        '
        'MenuItem15
        '
        Me.MenuItem15.Index = 0
        Me.MenuItem15.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem17, Me.MenuItem18, Me.MenuItem19})
        Me.MenuItem15.Text = "前景色"
        '
        'MenuItem17
        '
        Me.MenuItem17.Index = 0
        Me.MenuItem17.Text = "红"
        '
        'MenuItem18
        '
        Me.MenuItem18.Index = 1
        Me.MenuItem18.Text = "黄"
        '
        'MenuItem19
        '
        Me.MenuItem19.Index = 2
        Me.MenuItem19.Text = "绿"
        '
        'MenuItem16
        '
        Me.MenuItem16.Index = 1
        Me.MenuItem16.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem20, Me.MenuItem21, Me.MenuItem22})
        Me.MenuItem16.Text = "背景色"
        '
        'MenuItem20
        '
        Me.MenuItem20.Index = 0
        Me.MenuItem20.Text = "红"
        '
        'MenuItem21
        '
        Me.MenuItem21.Index = 1
        Me.MenuItem21.Text = "黄"
        '
        'MenuItem22
        '
        Me.MenuItem22.Index = 2
        Me.MenuItem22.Text = "绿"
        '
        'RichTextBox1
        '
        Me.RichTextBox1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.RichTextBox1.Location = New System.Drawing.Point(0, 0)
        Me.RichTextBox1.Name = "RichTextBox1"
        Me.RichTextBox1.Size = New System.Drawing.Size(292, 266)
        Me.RichTextBox1.TabIndex = 0
        Me.RichTextBox1.Text = ""
        '
        'SaveFileDialog1
        '
        Me.SaveFileDialog1.Filter = "Text(*.txt)|*.txt"
        '
        'OpenFileDialog1
        '
        Me.OpenFileDialog1.Filter = "Text(*.txt)|*.txt"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.Add(Me.RichTextBox1)
        Me.Menu = Me.MainMenu1
        Me.Name = "Form1"
        Me.Text = "文字处理"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
        RichTextBox1.Text = ""
        Form1.ActiveForm.Text = "未命名"
    End Sub

    Private Sub MenuItem3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem3.Click
        Dim textline As String
        OpenFileDialog1.ShowDialog()
        FileOpen(1, OpenFileDialog1.FileName, OpenMode.Input)
        While Not EOF(1)
            textline = LineInput(1)
            RichTextBox1.Text = RichTextBox1.Text + textline + Chr(13) + Chr(10)
        End While
        FileClose(1)
        Form1.ActiveForm.Text = OpenFileDialog1.FileName
    End Sub

    Private Sub MenuItem4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem4.Click
        SaveFileDialog1.ShowDialog()
        RichTextBox1.SaveFile(SaveFileDialog1.FileName)
        Form1.ActiveForm.Text = SaveFileDialog1.FileName
    End Sub

    Private Sub MenuItem5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem5.Click
        End
    End Sub

    Private Sub MenuItem7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem7.Click
        RichTextBox1.Cut()
    End Sub

    Private Sub MenuItem8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem8.Click
        RichTextBox1.Copy()
    End Sub

    Private Sub MenuItem9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem9.Click
        RichTextBox1.Paste()
    End Sub

    Private Sub MenuItem12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem12.Click
        RichTextBox1.Font = New System.Drawing.Font("宋体", 10)
    End Sub

    Private Sub MenuItem14_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem14.Click
        RichTextBox1.Font = New System.Drawing.Font("宋体", 20)
    End Sub

    Private Sub MenuItem17_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem17.Click
        RichTextBox1.ForeColor = System.Drawing.Color.Red
    End Sub

    Private Sub MenuItem18_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem18.Click
        RichTextBox1.ForeColor = System.Drawing.Color.Yellow
    End Sub

    Private Sub MenuItem19_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem19.Click
        RichTextBox1.ForeColor = System.Drawing.Color.Green
    End Sub

    Private Sub MenuItem20_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem20.Click
        RichTextBox1.BackColor = System.Drawing.Color.Red
    End Sub

    Private Sub MenuItem21_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem21.Click
        RichTextBox1.BackColor = System.Drawing.Color.Yellow
    End Sub

    Private Sub MenuItem22_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem22.Click
        RichTextBox1.BackColor = System.Drawing.Color.Green
    End Sub
End Class