VB.Net Tutorial/GUI Applications/Explore
Explore UI
<source lang="vbnet">Imports System.Windows.Forms public class TreeViewListView
public Shared Sub Main Application.Run(New Form1) End Sub
End class
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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents TreeView1 As System.Windows.Forms.TreeView Friend WithEvents Splitter1 As System.Windows.Forms.Splitter Friend WithEvents ListView1 As System.Windows.Forms.ListView <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ruponents = New System.ruponentModel.Container() Me.TreeView1 = New System.Windows.Forms.TreeView() Me.Splitter1 = New System.Windows.Forms.Splitter() Me.ListView1 = New System.Windows.Forms.ListView() Me.SuspendLayout() " "TreeView1 " Me.TreeView1.Dock = System.Windows.Forms.DockStyle.Left Me.TreeView1.Name = "TreeView1" Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Letter", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("a", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("z"), New System.Windows.Forms.TreeNode("b")}), New System.Windows.Forms.TreeNode("c", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("d"), New System.Windows.Forms.TreeNode("e")})})}) Me.TreeView1.Size = New System.Drawing.Size(121, 273) Me.TreeView1.TabIndex = 0 " "Splitter1 " Me.Splitter1.Location = New System.Drawing.Point(121, 0) Me.Splitter1.Name = "Splitter1" Me.Splitter1.Size = New System.Drawing.Size(3, 273) Me.Splitter1.TabIndex = 1 Me.Splitter1.TabStop = False " "ListView1 " Me.ListView1.Dock = System.Windows.Forms.DockStyle.Fill Me.ListView1.Location = New System.Drawing.Point(124, 0) Me.ListView1.Name = "ListView1" Me.ListView1.Size = New System.Drawing.Size(168, 273) Me.ListView1.TabIndex = 2 Me.ListView1.View = System.Windows.Forms.View.List " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.ListView1, Me.Splitter1, Me.TreeView1}) Me.Name = "Form1" Me.Text = "Vehicle Hierarchy" 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 select case e.Node.Text case "a" listView1.Clear() listView1.Items.Add("a",3) listView1.Items.Add("b", 4) listView1.Items.Add("c", 6) case "b" listView1.Clear() listView1.Items.Add("a", 1) listView1.Items.Add("b", 2) listView1.Items.Add("c", 5) end select End Sub Private Sub ListView1_ItemActivate(ByVal sender As Object, ByVal e As System.EventArgs) Handles ListView1.ItemActivate dim strItem as String = listView1.FocusedItem.Text Console.WriteLine(strItem) End Sub
End Class</source>
File Explore Layout
<source lang="vbnet">Imports System.Windows.Forms public class ExplorerLayoutDemo
public Shared Sub Main Application.Run(New ExplorerLayout) End Sub
End class Public Class ExplorerLayout
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 "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "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. Friend WithEvents TreeView1 As System.Windows.Forms.TreeView Friend WithEvents Splitter1 As System.Windows.Forms.Splitter Friend WithEvents ListView1 As System.Windows.Forms.ListView <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Dim ListViewItem1 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 1") Dim ListViewItem2 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 2") Dim ListViewItem3 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 3") Me.TreeView1 = New System.Windows.Forms.TreeView Me.Splitter1 = New System.Windows.Forms.Splitter Me.ListView1 = New System.Windows.Forms.ListView Me.SuspendLayout() " "TreeView1 " Me.TreeView1.Dock = System.Windows.Forms.DockStyle.Left Me.TreeView1.ImageIndex = -1 Me.TreeView1.Location = New System.Drawing.Point(0, 0) Me.TreeView1.Name = "TreeView1" Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node0", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node1", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node2"), New System.Windows.Forms.TreeNode("Node6")}), New System.Windows.Forms.TreeNode("Node3"), New System.Windows.Forms.TreeNode("Node4", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node5")})})}) Me.TreeView1.SelectedImageIndex = -1 Me.TreeView1.Size = New System.Drawing.Size(121, 266) Me.TreeView1.TabIndex = 0 " "Splitter1 " Me.Splitter1.Location = New System.Drawing.Point(121, 0) Me.Splitter1.Name = "Splitter1" Me.Splitter1.Size = New System.Drawing.Size(3, 266) Me.Splitter1.TabIndex = 1 Me.Splitter1.TabStop = False " "ListView1 " Me.ListView1.Dock = System.Windows.Forms.DockStyle.Fill Me.ListView1.Items.AddRange(New System.Windows.Forms.ListViewItem() {ListViewItem1, ListViewItem2, ListViewItem3}) Me.ListView1.Location = New System.Drawing.Point(124, 0) Me.ListView1.Name = "ListView1" Me.ListView1.Size = New System.Drawing.Size(168, 266) Me.ListView1.TabIndex = 2 Me.ListView1.View = System.Windows.Forms.View.List " "ExplorerLayout " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 266) Me.Controls.Add(Me.ListView1) Me.Controls.Add(Me.Splitter1) Me.Controls.Add(Me.TreeView1) Me.Name = "ExplorerLayout" Me.Text = "ExplorerLayout" Me.ResumeLayout(False) End Sub
- End Region
End Class</source>