form1.vb

Source code for VB.NET book - Chapter 1.

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 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 ListView1 As System.Windows.Forms.ListView
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
    Friend WithEvents ImageList2 As System.Windows.Forms.ImageList
    Friend WithEvents ImageList3 As System.Windows.Forms.ImageList
    Friend WithEvents ColumnHeader1 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader2 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader3 As System.Windows.Forms.ColumnHeader
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.components = New System.ComponentModel.Container
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        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.ListView1 = New System.Windows.Forms.ListView
        Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components)
        Me.ImageList2 = New System.Windows.Forms.ImageList(Me.components)
        Me.ImageList3 = New System.Windows.Forms.ImageList(Me.components)
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.ColumnHeader1 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader2 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader3 = New System.Windows.Forms.ColumnHeader
        Me.SuspendLayout()
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1})
        '
        '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 = "查看"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 0
        Me.MenuItem2.Text = "大图标"
        '
        'MenuItem3
        '
        Me.MenuItem3.Index = 1
        Me.MenuItem3.Text = "小图标"
        '
        'MenuItem4
        '
        Me.MenuItem4.Index = 2
        Me.MenuItem4.Text = "列表"
        '
        'MenuItem5
        '
        Me.MenuItem5.Index = 3
        Me.MenuItem5.Text = "详细资料"
        '
        'ListView1
        '
        Me.ListView1.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2, Me.ColumnHeader3})
        Me.ListView1.Dock = System.Windows.Forms.DockStyle.Top
        Me.ListView1.LargeImageList = Me.ImageList1
        Me.ListView1.Location = New System.Drawing.Point(0, 0)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(328, 128)
        Me.ListView1.SmallImageList = Me.ImageList2
        Me.ListView1.StateImageList = Me.ImageList3
        Me.ListView1.TabIndex = 0
        '
        'ImageList1
        '
        Me.ImageList1.ImageSize = New System.Drawing.Size(16, 16)
        Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent
        '
        'ImageList2
        '
        Me.ImageList2.ImageSize = New System.Drawing.Size(16, 16)
        Me.ImageList2.ImageStream = CType(resources.GetObject("ImageList2.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.ImageList2.TransparentColor = System.Drawing.Color.Transparent
        '
        'ImageList3
        '
        Me.ImageList3.ImageSize = New System.Drawing.Size(16, 16)
        Me.ImageList3.ImageStream = CType(resources.GetObject("ImageList3.ImageStream"), System.Windows.Forms.ImageListStreamer)
        Me.ImageList3.TransparentColor = System.Drawing.Color.Transparent
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(88, 168)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(80, 20)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(48, 168)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(40, 24)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "项目"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 200)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(72, 24)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "图像索引号"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(88, 200)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(80, 20)
        Me.TextBox2.TabIndex = 4
        Me.TextBox2.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(192, 184)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 5
        Me.Button1.Text = "添加项目"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(120, 240)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(80, 24)
        Me.Button3.TabIndex = 9
        Me.Button3.Text = "删除"
        '
        'ColumnHeader1
        '
        Me.ColumnHeader1.Text = "文件"
        '
        'ColumnHeader2
        '
        Me.ColumnHeader2.Text = "大小"
        '
        'ColumnHeader3
        '
        Me.ColumnHeader3.Text = "修改日期"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(328, 297)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.ListView1)
        Me.Menu = Me.MainMenu1
        Me.Name = "Form1"
        Me.Text = "列表视图"
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
        ListView1.View = View.LargeIcon
    End Sub

    Private Sub MenuItem3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem3.Click
        ListView1.View = View.SmallIcon
    End Sub

    Private Sub MenuItem4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem4.Click
        ListView1.View = View.List
    End Sub

    Private Sub MenuItem5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem5.Click
        ListView1.View = View.Details
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        ListView1.FocusedItem.Remove()
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim i As Integer
        Try
            i = TextBox2.Text
        Catch ex As Exception
            MessageBox.Show("输入非法")
            TextBox2.Text = ""
            TextBox1.Text = ""
            Return
        End Try

        If i > 5 Or i < 0 Then
            MessageBox.Show("输入的值太大或者太小")
            TextBox1.Text = ""
            TextBox2.Text = ""
            Return
        End If

        If TextBox1.Text = "" Then
            MessageBox.Show("输入非法")
            Return
        End If
        ListView1.Items.Add(TextBox1.Text, i)
    End Sub

End Class