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 Splitter1 As System.Windows.Forms.Splitter
    Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
    Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
    Friend WithEvents Splitter2 As System.Windows.Forms.Splitter
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Splitter3 As System.Windows.Forms.Splitter
    Friend WithEvents ListView1 As System.Windows.Forms.ListView
    <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.Splitter1 = New System.Windows.Forms.Splitter
        Me.TreeView1 = New System.Windows.Forms.TreeView
        Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components)
        Me.Splitter2 = New System.Windows.Forms.Splitter
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.Label1 = New System.Windows.Forms.Label
        Me.Splitter3 = New System.Windows.Forms.Splitter
        Me.ListView1 = New System.Windows.Forms.ListView
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Splitter1
        '
        Me.Splitter1.Location = New System.Drawing.Point(0, 0)
        Me.Splitter1.Name = "Splitter1"
        Me.Splitter1.Size = New System.Drawing.Size(3, 266)
        Me.Splitter1.TabIndex = 0
        Me.Splitter1.TabStop = False
        '
        'TreeView1
        '
        Me.TreeView1.Dock = System.Windows.Forms.DockStyle.Left
        Me.TreeView1.ImageList = Me.ImageList1
        Me.TreeView1.Location = New System.Drawing.Point(3, 0)
        Me.TreeView1.Name = "TreeView1"
        Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("编程语言", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Visual Basic"), New System.Windows.Forms.TreeNode("Visual C++"), New System.Windows.Forms.TreeNode("Delphi"), New System.Windows.Forms.TreeNode("Java")}), New System.Windows.Forms.TreeNode("语言", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("汉语"), New System.Windows.Forms.TreeNode("英语"), New System.Windows.Forms.TreeNode("德语"), New System.Windows.Forms.TreeNode("法语")})})
        Me.TreeView1.Size = New System.Drawing.Size(101, 266)
        Me.TreeView1.TabIndex = 1
        '
        '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
        '
        'Splitter2
        '
        Me.Splitter2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Splitter2.Location = New System.Drawing.Point(104, 0)
        Me.Splitter2.Name = "Splitter2"
        Me.Splitter2.Size = New System.Drawing.Size(8, 266)
        Me.Splitter2.TabIndex = 2
        Me.Splitter2.TabStop = False
        '
        'Panel1
        '
        Me.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.Panel1.Controls.Add(Me.ListView1)
        Me.Panel1.Controls.Add(Me.Splitter3)
        Me.Panel1.Controls.Add(Me.Label1)
        Me.Panel1.Dock = System.Windows.Forms.DockStyle.Top
        Me.Panel1.Location = New System.Drawing.Point(112, 0)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(248, 264)
        Me.Panel1.TabIndex = 3
        '
        'Label1
        '
        Me.Label1.Dock = System.Windows.Forms.DockStyle.Top
        Me.Label1.Location = New System.Drawing.Point(0, 0)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(244, 32)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "Label1"
        '
        'Splitter3
        '
        Me.Splitter3.Dock = System.Windows.Forms.DockStyle.Top
        Me.Splitter3.Location = New System.Drawing.Point(0, 32)
        Me.Splitter3.Name = "Splitter3"
        Me.Splitter3.Size = New System.Drawing.Size(244, 8)
        Me.Splitter3.TabIndex = 1
        Me.Splitter3.TabStop = False
        '
        'ListView1
        '
        Me.ListView1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.ListView1.Location = New System.Drawing.Point(0, 40)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(244, 220)
        Me.ListView1.TabIndex = 2
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(360, 266)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.Splitter2)
        Me.Controls.Add(Me.TreeView1)
        Me.Controls.Add(Me.Splitter1)
        Me.Name = "Form1"
        Me.Text = "分割器"
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect
        Dim childnum, index, i As Int32
        childnum = TreeView1.SelectedNode.GetNodeCount(False)
        index = TreeView1.SelectedNode.Index
        index = index + 1
        ListView1.Items.Clear()
        For i = 0 To childnum - 1
            ListView1.Items.Add("语言" + index.ToString + "." + i.ToString, 1)
        Next
        Label1.Text = TreeView1.SelectedNode.FullPath
    End Sub
End Class