VB.Net by API/System.Windows.Forms/ListView — различия между версиями

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Текущая версия на 12:52, 26 мая 2010

ListView.Click

  
Imports System.IO
Imports System.Windows.Forms
public class LoadFileDirectoryInformationTreeView
   public Shared Sub Main
        Application.Run(New FrmListView)
   End Sub
End class
Public Class FrmListView
   Inherits 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
   " display labels for current location in directory tree
   Friend WithEvents lblCurrent As Label
   Friend WithEvents lblDisplay As Label
   " displays contents of current directory
   Friend WithEvents lvwBrowser As ListView
   " specifies images for file icons and folder icons
   Friend WithEvents ilsFileFolder As ImageList

   "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.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.ruponents = New System.ruponentModel.Container()
      Me.ilsFileFolder = New System.Windows.Forms.ImageList(Me.ruponents)
      Me.lvwBrowser = New System.Windows.Forms.ListView()
      Me.lblCurrent = New System.Windows.Forms.Label()
      Me.lblDisplay = New System.Windows.Forms.Label()
      Me.SuspendLayout()
      "
      "ilsFileFolder
      "
      Me.ilsFileFolder.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
      Me.ilsFileFolder.ImageSize = New System.Drawing.Size(16, 16)
      Me.ilsFileFolder.TransparentColor = System.Drawing.Color.Transparent
      "
      "lvwBrowser
      "
      Me.lvwBrowser.Location = New System.Drawing.Point(16, 88)
      Me.lvwBrowser.Name = "lvwBrowser"
      Me.lvwBrowser.RightToLeft = System.Windows.Forms.RightToLeft.No
      Me.lvwBrowser.Size = New System.Drawing.Size(448, 232)
      Me.lvwBrowser.SmallImageList = Me.ilsFileFolder
      Me.lvwBrowser.TabIndex = 2
      Me.lvwBrowser.View = System.Windows.Forms.View.List
      "
      "lblCurrent
      "
      Me.lblCurrent.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.lblCurrent.ForeColor = System.Drawing.SystemColors.WindowText
      Me.lblCurrent.Location = New System.Drawing.Point(16, 16)
      Me.lblCurrent.Name = "lblCurrent"
      Me.lblCurrent.Size = New System.Drawing.Size(112, 23)
      Me.lblCurrent.TabIndex = 0
      Me.lblCurrent.Text = "Now in Directory:"
      "
      "lblDisplay
      "
      Me.lblDisplay.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.lblDisplay.ForeColor = System.Drawing.SystemColors.WindowText
      Me.lblDisplay.Location = New System.Drawing.Point(128, 16)
      Me.lblDisplay.Name = "lblDisplay"
      Me.lblDisplay.Size = New System.Drawing.Size(344, 56)
      Me.lblDisplay.TabIndex = 1
      "
      "FrmListView
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(488, 341)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lvwBrowser, Me.lblDisplay, Me.lblCurrent})
      Me.Name = "FrmListView"
      Me.Text = "ListViewTest"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Dim currentDirectory As String = Directory.GetCurrentDirectory()
   Private Sub lvwBrowser_Click(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles lvwBrowser.Click
      If lvwBrowser.SelectedItems.Count <> 0 Then
         If lvwBrowser.Items(0).Selected Then
            Dim directoryObject As DirectoryInfo = _
               New DirectoryInfo(currentDirectory)
            If Not (directoryObject.Parent Is Nothing) Then
               LoadFilesInDirectory(directoryObject.Parent.FullName)
            End If
         Else
            Dim chosen As String = lvwBrowser.SelectedItems(0).Text
            If Directory.Exists(currentDirectory & "\" & chosen) Then
               If currentDirectory = "C:\" Then
                  LoadFilesInDirectory(currentDirectory & chosen)
               Else
                  LoadFilesInDirectory(currentDirectory & "\" & chosen)
               End If
            End If
         End If
         lblDisplay.Text = currentDirectory
      End If
   End Sub 
   Public Sub LoadFilesInDirectory(ByVal currentDirectoryValue As String)
      lvwBrowser.Items.Clear()
      lvwBrowser.Items.Add("Go Up One Level")
      currentDirectory = currentDirectoryValue
      Dim newCurrentDirectory As DirectoryInfo = New DirectoryInfo(currentDirectory)
      Dim directoryArray As DirectoryInfo() = newCurrentDirectory.GetDirectories()
      Dim fileArray As FileInfo() = newCurrentDirectory.GetFiles()
      Dim dir As DirectoryInfo
      For Each dir In directoryArray
         Dim newDirectoryItem As ListViewItem = lvwBrowser.Items.Add(dir.Name)
      Next
      Dim file As FileInfo
      For Each file In fileArray
         Dim newFileItem As ListViewItem =lvwBrowser.Items.Add(file.Name)
      Next
   End Sub 
   Private Sub FrmListView_Load(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles MyBase.Load
      LoadFilesInDirectory(currentDirectory)
      lblDisplay.Text = currentDirectory
   End Sub 
End Class


ListView.Columns.Add

  
Imports System
Imports System.Collections
Imports System.Data
Imports System.Drawing
Imports System.Windows.Forms
Imports System.ruponentModel
Imports System.Drawing.Drawing2D
Imports System.IO
Public Class MainClass
    
    Shared Sub Main()
        Dim form1 As Form = New Form1
        Application.Run(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
    Friend WithEvents cmdFillList As System.Windows.Forms.Button
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents optSmallIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optLargeIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optDetails As System.Windows.Forms.RadioButton
    Friend WithEvents optList As System.Windows.Forms.RadioButton
    Friend WithEvents listAuthors As System.Windows.Forms.ListView
    Private components As System.ruponentModel.IContainer
    "Required by the Windows Form Designer
    "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.ruponents = New System.ruponentModel.Container()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox()
        Me.optLargeIcon = New System.Windows.Forms.RadioButton()
        Me.optList = New System.Windows.Forms.RadioButton()
        Me.optDetails = New System.Windows.Forms.RadioButton()
        Me.optSmallIcon = New System.Windows.Forms.RadioButton()
        Me.listAuthors = New System.Windows.Forms.ListView()
        Me.cmdFillList = New System.Windows.Forms.Button()
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        "
        "GroupBox1
        "
        Me.GroupBox1.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right)
        Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.optLargeIcon, Me.optList, Me.optDetails, Me.optSmallIcon})
        Me.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.GroupBox1.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.GroupBox1.Location = New System.Drawing.Point(276, 12)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(104, 132)
        Me.GroupBox1.TabIndex = 2
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "View"
        "
        "optLargeIcon
        "
        Me.optLargeIcon.Checked = True
        Me.optLargeIcon.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optLargeIcon.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optLargeIcon.Location = New System.Drawing.Point(16, 48)
        Me.optLargeIcon.Name = "optLargeIcon"
        Me.optLargeIcon.Size = New System.Drawing.Size(76, 16)
        Me.optLargeIcon.TabIndex = 0
        Me.optLargeIcon.TabStop = True
        Me.optLargeIcon.Text = "LargeIcon"
        "
        "optList
        "
        Me.optList.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optList.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optList.Location = New System.Drawing.Point(16, 96)
        Me.optList.Name = "optList"
        Me.optList.Size = New System.Drawing.Size(56, 16)
        Me.optList.TabIndex = 0
        Me.optList.Text = "List"
        "
        "optDetails
        "
        Me.optDetails.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optDetails.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optDetails.Location = New System.Drawing.Point(16, 72)
        Me.optDetails.Name = "optDetails"
        Me.optDetails.Size = New System.Drawing.Size(72, 16)
        Me.optDetails.TabIndex = 0
        Me.optDetails.Text = "Details"
        "
        "optSmallIcon
        "
        Me.optSmallIcon.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optSmallIcon.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optSmallIcon.Location = New System.Drawing.Point(16, 24)
        Me.optSmallIcon.Name = "optSmallIcon"
        Me.optSmallIcon.Size = New System.Drawing.Size(72, 16)
        Me.optSmallIcon.TabIndex = 0
        Me.optSmallIcon.Text = "SmallIcon"
        "
        "listAuthors
        "
        Me.listAuthors.Activation = System.Windows.Forms.ItemActivation.OneClick
        Me.listAuthors.AllowColumnReorder = True
        Me.listAuthors.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.listAuthors.GridLines = True
        Me.listAuthors.HoverSelection = True
        Me.listAuthors.Location = New System.Drawing.Point(8, 8)
        Me.listAuthors.Name = "listAuthors"
        Me.listAuthors.Size = New System.Drawing.Size(260, 332)
        Me.listAuthors.Sorting = System.Windows.Forms.SortOrder.Ascending
        Me.listAuthors.TabIndex = 0
        "
        "cmdFillList
        "
        Me.cmdFillList.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right)
        Me.cmdFillList.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.cmdFillList.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.cmdFillList.Location = New System.Drawing.Point(276, 152)
        Me.cmdFillList.Name = "cmdFillList"
        Me.cmdFillList.Size = New System.Drawing.Size(104, 24)
        Me.cmdFillList.TabIndex = 1
        Me.cmdFillList.Text = "Fill List"
        "
        "ListViewExample
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
        Me.ClientSize = New System.Drawing.Size(388, 349)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox1, Me.cmdFillList, Me.listAuthors})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Name = "ListViewExample"
        Me.Text = "ListView Example"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)
    End Sub
#End Region

    Private Sub cmdFillList_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdFillList.Click
        listAuthors.BeginUpdate()
        Dim dt As DataTable = StoreDB.GetProducts()
        Dim dr As DataRow
        For Each dr In dt.Rows
            Dim listItem As New ListViewItem(dr("book").ToString)
            listItem.ImageIndex = 0
            listItem.SubItems.Add(dr("title"))
            listAuthors.Items.Add(listItem)
        Next
        listAuthors.Columns.Add("title", 100, HorizontalAlignment.Left)
        listAuthors.EndUpdate()
    End Sub
    Private Sub NewView(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles optSmallIcon.CheckedChanged, optDetails.CheckedChanged, _
 optLargeIcon.CheckedChanged, optList.CheckedChanged
        listAuthors.View = CType(sender, Control).Tag
        Me.Text = "Using View: " & listAuthors.View.ToString
    End Sub

    Private Sub ListViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        optLargeIcon.Tag = View.LargeIcon
        optSmallIcon.Tag = View.SmallIcon
        optDetails.Tag = View.Details
        optList.Tag = View.List
        Call cmdFillList_Click(Nothing, Nothing)
    End Sub

    Private Sub listAuthors_ColumnClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ColumnClickEventArgs) Handles listAuthors.ColumnClick
        listAuthors.ListViewItemSorter = New CompareListViewItems(e.Column)
        listAuthors.Sort()
    End Sub
End Class
Public Class CompareListViewItems
    Implements IComparer
    Public ReadOnly Column As Integer
    Public Sub New(ByVal columnIndex As Integer)
        Column = columnIndex
    End Sub
    Public Function Compare(ByVal x As Object, ByVal y As Object) As Integer Implements System.Collections.IComparer.rupare
        Dim ListX As ListViewItem = CType(x, ListViewItem)
        Dim ListY As ListViewItem = CType(y, ListViewItem)
        If ListX.SubItems(Column).Text > ListY.SubItems(Column).Text Then
            Return 1
        ElseIf ListX.SubItems(Column).Text = ListY.SubItems(Column).Text Then
            Return 0
        Else
            Return -1
        End If
    End Function
End Class
Public Class StoreDB
    Public Shared Function GetProducts() As DataTable
        Dim dsStore As New DataSet()
        dsStore.ReadXmlSchema("book.xdr")
        dsStore.ReadXml("book.xml")
        Return dsStore.Tables("books")
    End Function

End Class


ListView.ItemActivate

  
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


ListView.Items.Add

  
Imports System
Imports System.Collections
Imports System.Data
Imports System.Drawing
Imports System.Windows.Forms
Imports System.ruponentModel
Imports System.Drawing.Drawing2D
Imports System.IO
Public Class MainClass
    
    Shared Sub Main()
        Dim form1 As Form = New Form1
        Application.Run(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
    Friend WithEvents cmdFillList As System.Windows.Forms.Button
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents optSmallIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optLargeIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optDetails As System.Windows.Forms.RadioButton
    Friend WithEvents optList As System.Windows.Forms.RadioButton
    Friend WithEvents listAuthors As System.Windows.Forms.ListView
    Private components As System.ruponentModel.IContainer
    "Required by the Windows Form Designer
    "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.ruponents = New System.ruponentModel.Container()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox()
        Me.optLargeIcon = New System.Windows.Forms.RadioButton()
        Me.optList = New System.Windows.Forms.RadioButton()
        Me.optDetails = New System.Windows.Forms.RadioButton()
        Me.optSmallIcon = New System.Windows.Forms.RadioButton()
        Me.listAuthors = New System.Windows.Forms.ListView()
        Me.cmdFillList = New System.Windows.Forms.Button()
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        "
        "GroupBox1
        "
        Me.GroupBox1.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right)
        Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.optLargeIcon, Me.optList, Me.optDetails, Me.optSmallIcon})
        Me.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.GroupBox1.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.GroupBox1.Location = New System.Drawing.Point(276, 12)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(104, 132)
        Me.GroupBox1.TabIndex = 2
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "View"
        "
        "optLargeIcon
        "
        Me.optLargeIcon.Checked = True
        Me.optLargeIcon.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optLargeIcon.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optLargeIcon.Location = New System.Drawing.Point(16, 48)
        Me.optLargeIcon.Name = "optLargeIcon"
        Me.optLargeIcon.Size = New System.Drawing.Size(76, 16)
        Me.optLargeIcon.TabIndex = 0
        Me.optLargeIcon.TabStop = True
        Me.optLargeIcon.Text = "LargeIcon"
        "
        "optList
        "
        Me.optList.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optList.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optList.Location = New System.Drawing.Point(16, 96)
        Me.optList.Name = "optList"
        Me.optList.Size = New System.Drawing.Size(56, 16)
        Me.optList.TabIndex = 0
        Me.optList.Text = "List"
        "
        "optDetails
        "
        Me.optDetails.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optDetails.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optDetails.Location = New System.Drawing.Point(16, 72)
        Me.optDetails.Name = "optDetails"
        Me.optDetails.Size = New System.Drawing.Size(72, 16)
        Me.optDetails.TabIndex = 0
        Me.optDetails.Text = "Details"
        "
        "optSmallIcon
        "
        Me.optSmallIcon.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optSmallIcon.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optSmallIcon.Location = New System.Drawing.Point(16, 24)
        Me.optSmallIcon.Name = "optSmallIcon"
        Me.optSmallIcon.Size = New System.Drawing.Size(72, 16)
        Me.optSmallIcon.TabIndex = 0
        Me.optSmallIcon.Text = "SmallIcon"
        "
        "listAuthors
        "
        Me.listAuthors.Activation = System.Windows.Forms.ItemActivation.OneClick
        Me.listAuthors.AllowColumnReorder = True
        Me.listAuthors.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.listAuthors.GridLines = True
        Me.listAuthors.HoverSelection = True
        Me.listAuthors.Location = New System.Drawing.Point(8, 8)
        Me.listAuthors.Name = "listAuthors"
        Me.listAuthors.Size = New System.Drawing.Size(260, 332)
        Me.listAuthors.Sorting = System.Windows.Forms.SortOrder.Ascending
        Me.listAuthors.TabIndex = 0
        "
        "cmdFillList
        "
        Me.cmdFillList.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right)
        Me.cmdFillList.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.cmdFillList.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.cmdFillList.Location = New System.Drawing.Point(276, 152)
        Me.cmdFillList.Name = "cmdFillList"
        Me.cmdFillList.Size = New System.Drawing.Size(104, 24)
        Me.cmdFillList.TabIndex = 1
        Me.cmdFillList.Text = "Fill List"
        "
        "ListViewExample
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
        Me.ClientSize = New System.Drawing.Size(388, 349)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox1, Me.cmdFillList, Me.listAuthors})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Name = "ListViewExample"
        Me.Text = "ListView Example"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)
    End Sub
#End Region

    Private Sub cmdFillList_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdFillList.Click
        listAuthors.BeginUpdate()
        Dim dt As DataTable = StoreDB.GetProducts()
        Dim dr As DataRow
        For Each dr In dt.Rows
            Dim listItem As New ListViewItem(dr("book").ToString)
            listItem.ImageIndex = 0
            listItem.SubItems.Add(dr("title"))
            listAuthors.Items.Add(listItem)
        Next
        listAuthors.Columns.Add("title", 100, HorizontalAlignment.Left)
        listAuthors.EndUpdate()
    End Sub
    Private Sub NewView(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles optSmallIcon.CheckedChanged, optDetails.CheckedChanged, _
 optLargeIcon.CheckedChanged, optList.CheckedChanged
        listAuthors.View = CType(sender, Control).Tag
        Me.Text = "Using View: " & listAuthors.View.ToString
    End Sub

    Private Sub ListViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        optLargeIcon.Tag = View.LargeIcon
        optSmallIcon.Tag = View.SmallIcon
        optDetails.Tag = View.Details
        optList.Tag = View.List
        Call cmdFillList_Click(Nothing, Nothing)
    End Sub

    Private Sub listAuthors_ColumnClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ColumnClickEventArgs) Handles listAuthors.ColumnClick
        listAuthors.ListViewItemSorter = New CompareListViewItems(e.Column)
        listAuthors.Sort()
    End Sub
End Class
Public Class CompareListViewItems
    Implements IComparer
    Public ReadOnly Column As Integer
    Public Sub New(ByVal columnIndex As Integer)
        Column = columnIndex
    End Sub
    Public Function Compare(ByVal x As Object, ByVal y As Object) As Integer Implements System.Collections.IComparer.rupare
        Dim ListX As ListViewItem = CType(x, ListViewItem)
        Dim ListY As ListViewItem = CType(y, ListViewItem)
        If ListX.SubItems(Column).Text > ListY.SubItems(Column).Text Then
            Return 1
        ElseIf ListX.SubItems(Column).Text = ListY.SubItems(Column).Text Then
            Return 0
        Else
            Return -1
        End If
    End Function
End Class
Public Class StoreDB
    Public Shared Function GetProducts() As DataTable
        Dim dsStore As New DataSet()
        dsStore.ReadXmlSchema("book.xdr")
        dsStore.ReadXml("book.xml")
        Return dsStore.Tables("books")
    End Function

End Class


ListView.Items.Count

  
Imports System
Imports System.Drawing
Imports System.Data
Imports System.IO
Imports System.Collections
Imports System.Windows.Forms
Imports System.Drawing.Printing
Public Class MainClass
    Shared Sub Main()
       Dim form1 As Form = New Form1()
       Application.Run(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 lstFavorites As System.Windows.Forms.ListView
    Friend WithEvents hdrName As System.Windows.Forms.ColumnHeader
    Friend WithEvents hdrUrl As System.Windows.Forms.ColumnHeader
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.lstFavorites = New System.Windows.Forms.ListView()
        Me.hdrName = New System.Windows.Forms.ColumnHeader()
        Me.hdrUrl = New System.Windows.Forms.ColumnHeader()
        Me.SuspendLayout()
        "
        "lstFavorites
        "
        Me.lstFavorites.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right)
        Me.lstFavorites.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.hdrName, Me.hdrUrl})
        Me.lstFavorites.Location = New System.Drawing.Point(8, 8)
        Me.lstFavorites.Name = "lstFavorites"
        Me.lstFavorites.Size = New System.Drawing.Size(504, 216)
        Me.lstFavorites.TabIndex = 2
        Me.lstFavorites.View = System.Windows.Forms.View.Details
        "
        "hdrName
        "
        Me.hdrName.Text = "Name"
        Me.hdrName.Width = 250
        "
        "hdrUrl
        "
        Me.hdrUrl.Text = "URL"
        Me.hdrUrl.Width = 250
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(520, 261)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lstFavorites})
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Protected Overrides Sub OnLoad(ByVal e As System.EventArgs)
        Dim item As New YourListViewItem("First Item")
        lstFavorites.Items.Add(item)
        If lstFavorites.Items.Count = 1 Then
             item.Selected = True
         End If
    End Sub

End Class

Public Class YourListViewItem
    Inherits ListViewItem
    Public ItemName As String
    Public Sub New(ByVal i As String)
        ItemName = i
        Text = i
        SubItems.Add("Sub " & i)
    End Sub

End Class


ListView.SelectedIndexChanged

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ListViewViewChange
   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 ListView1 As System.Windows.Forms.ListView
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents ComboBox1 As System.Windows.Forms.ruboBox
    Friend WithEvents ColumnHeader1 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader2 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader3 As System.Windows.Forms.ColumnHeader
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ruponents = New System.ruponentModel.Container
        Dim ListViewItem1 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 0", 0)
        Dim ListViewItem2 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 1", 0)
        Dim ListViewItem3 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 2", 0)
        Dim ListViewItem4 As System.Windows.Forms.ListViewItem = New System.Windows.Forms.ListViewItem("Item 3", 0)
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form1))
        Me.ListView1 = New System.Windows.Forms.ListView
        Me.ColumnHeader1 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader2 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader3 = New System.Windows.Forms.ColumnHeader
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.ruboBox1 = New System.Windows.Forms.ruboBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        "
        "ListView1
        "
        Me.ListView1.AllowColumnReorder = True
        Me.ListView1.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2, Me.ColumnHeader3})
        Me.ListView1.Items.AddRange(New System.Windows.Forms.ListViewItem() {ListViewItem1, ListViewItem2, ListViewItem3, ListViewItem4})
        Me.ListView1.Location = New System.Drawing.Point(32, 104)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(216, 112)
        Me.ListView1.TabIndex = 1
        "
        "ColumnHeader1
        "
        Me.ColumnHeader1.Text = "Column Header 1"
        "
        "ColumnHeader2
        "
        Me.ColumnHeader2.Text = "Column Header 2"
        "
        "ColumnHeader3
        "
        Me.ColumnHeader3.Text = "Column Header 3"
        "
        "TextBox1
        "
        Me.TextBox1.Location = New System.Drawing.Point(64, 232)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(160, 20)
        Me.TextBox1.TabIndex = 2
        Me.TextBox1.Text = ""
        "
        "ComboBox1
        "
        Me.ruboBox1.Items.AddRange(New Object() {"Large Icon View", "Report View", "Small Icon View", "List View"})
        Me.ruboBox1.Location = New System.Drawing.Point(16, 64)
        Me.ruboBox1.Name = "ComboBox1"
        Me.ruboBox1.Size = New System.Drawing.Size(121, 21)
        Me.ruboBox1.TabIndex = 3
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(144, 64)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(112, 23)
        Me.Button1.TabIndex = 4
        Me.Button1.Text = "Show Check Boxes"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.ruboBox1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.ListView1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        ListView1.View = ComboBox1.SelectedIndex
    End Sub
    Private Sub ListView1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListView1.SelectedIndexChanged
        If ListView1.SelectedIndices.Count > 0 Then
            TextBox1.Text = "Item " & ListView1.SelectedIndices(0) & " was clicked."
        End If
    End Sub
    Private Sub ListView1_ColumnClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ColumnClickEventArgs) Handles ListView1.ColumnClick
        TextBox1.Text = "Column " & (e.Column + 1) & " was clicked."
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        ListView1.CheckBoxes = True
    End Sub
    Private Sub ListView1_ItemCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles ListView1.ItemCheck
        If e.NewValue = CheckState.Checked Then
            TextBox1.Text = "Item " & e.Index() & " is checked."
        Else
            TextBox1.Text = "Item " & e.Index() & " is not checked."
        End If
    End Sub
End Class


ListView.SelectedItems

  
Imports System
Imports System.Drawing
Imports System.Windows.Forms
Imports System.IO
Public Class MainClass
   Shared Sub Main()
        Dim myform As Form = New FrmListView()
        Application.Run(myform)
   End Sub " Main
End Class

Public Class FrmListView
   Inherits 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
   " display labels for current location in directory tree
   Friend WithEvents lblCurrent As Label
   Friend WithEvents lblDisplay As Label
   " displays contents of current directory
   Friend WithEvents lvwBrowser As ListView
   " specifies images for file icons and folder icons
   Friend WithEvents ilsFileFolder As ImageList

   "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.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.ruponents = New System.ruponentModel.Container()
      Me.ilsFileFolder = New System.Windows.Forms.ImageList(Me.ruponents)
      Me.lvwBrowser = New System.Windows.Forms.ListView()
      Me.lblCurrent = New System.Windows.Forms.Label()
      Me.lblDisplay = New System.Windows.Forms.Label()
      Me.SuspendLayout()
      "
      "ilsFileFolder
      "
      Me.ilsFileFolder.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
      Me.ilsFileFolder.ImageSize = New System.Drawing.Size(16, 16)
      Me.ilsFileFolder.TransparentColor = System.Drawing.Color.Transparent
      "
      "lvwBrowser
      "
      Me.lvwBrowser.Location = New System.Drawing.Point(16, 88)
      Me.lvwBrowser.Name = "lvwBrowser"
      Me.lvwBrowser.RightToLeft = System.Windows.Forms.RightToLeft.No
      Me.lvwBrowser.Size = New System.Drawing.Size(448, 232)
      Me.lvwBrowser.SmallImageList = Me.ilsFileFolder
      Me.lvwBrowser.TabIndex = 2
      Me.lvwBrowser.View = System.Windows.Forms.View.List
      "
      "lblCurrent
      "
      Me.lblCurrent.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.lblCurrent.ForeColor = System.Drawing.SystemColors.WindowText
      Me.lblCurrent.Location = New System.Drawing.Point(16, 16)
      Me.lblCurrent.Name = "lblCurrent"
      Me.lblCurrent.Size = New System.Drawing.Size(112, 23)
      Me.lblCurrent.TabIndex = 0
      Me.lblCurrent.Text = "Now in Directory:"
      "
      "lblDisplay
      "
      Me.lblDisplay.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.lblDisplay.ForeColor = System.Drawing.SystemColors.WindowText
      Me.lblDisplay.Location = New System.Drawing.Point(128, 16)
      Me.lblDisplay.Name = "lblDisplay"
      Me.lblDisplay.Size = New System.Drawing.Size(344, 56)
      Me.lblDisplay.TabIndex = 1
      "
      "FrmListView
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(488, 341)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lvwBrowser, Me.lblDisplay, Me.lblCurrent})
      Me.Name = "FrmListView"
      Me.Text = "ListViewTest"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Dim currentDirectory As String = Directory.GetCurrentDirectory()
   Private Sub lvwBrowser_Click(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles lvwBrowser.Click
      If lvwBrowser.SelectedItems.Count <> 0 Then
         If lvwBrowser.Items(0).Selected Then
            Dim directoryObject As DirectoryInfo = _
               New DirectoryInfo(currentDirectory)
            If Not (directoryObject.Parent Is Nothing) Then
               LoadFilesInDirectory(directoryObject.Parent.FullName)
            End If
         Else
            Dim chosen As String = lvwBrowser.SelectedItems(0).Text
            If Directory.Exists(currentDirectory & "\" & chosen) Then
               If currentDirectory = "C:\" Then
                  LoadFilesInDirectory(currentDirectory & chosen)
               Else
                  LoadFilesInDirectory(currentDirectory & _
                     "\" & chosen)
               End If
            End If
         End If
         lblDisplay.Text = currentDirectory
      End If
   End Sub
   Public Sub LoadFilesInDirectory _
      (ByVal currentDirectoryValue As String)
      Try
         lvwBrowser.Items.Clear()
         lvwBrowser.Items.Add("Go Up One Level")
         currentDirectory = currentDirectoryValue
         Dim newCurrentDirectory As DirectoryInfo = _
            New DirectoryInfo(currentDirectory)
         Dim directoryArray As DirectoryInfo() = _
            newCurrentDirectory.GetDirectories()
         Dim fileArray As FileInfo() = _
            newCurrentDirectory.GetFiles()
         Dim dir As DirectoryInfo
         For Each dir In directoryArray
            Dim newDirectoryItem As ListViewItem = _
               lvwBrowser.Items.Add(dir.Name)
            newDirectoryItem.ImageIndex = 0
         Next
         Dim file As FileInfo
         For Each file In fileArray
            Dim newFileItem As ListViewItem = _
               lvwBrowser.Items.Add(file.Name)
            newFileItem.ImageIndex = 1    " set file image
         Next
      Catch exception As UnauthorizedAccessException
         MessageBox.Show("Warning: Some files may " & _
            "not be visible due to " + "permission settings", _
            "Attention", 0, MessageBoxIcon.Warning)
      End Try
   End Sub " LoadFilesInDirectory
   " handle load event when Form displayed for first time
   Private Sub FrmListView_Load(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles MyBase.Load
      " set image list
      Dim folderImage As Image = Image.FromFile("figure2.bmp")
      Dim fileImage As Image = Image.FromFile("figure2.bmp")
      ilsFileFolder.Images.Add(folderImage)
      ilsFileFolder.Images.Add(fileImage)
      " load current directory into browserListView
      LoadFilesInDirectory(currentDirectory)
      lblDisplay.Text = currentDirectory
   End Sub " FrmListView_Load
End Class


ListView.View

  
Imports System.Windows.Forms
Imports System.Drawing
Imports System.IO

Module Module1
    Sub Main()
        Application.Run(New Form1)
    End Sub
End Module

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 ListView1 As System.Windows.Forms.ListView
    Friend WithEvents Button1 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ListView1 = New System.Windows.Forms.ListView()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        "
        "ListView1
        "
        Me.ListView1.Location = New System.Drawing.Point(32, 32)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(224, 168)
        Me.ListView1.TabIndex = 0
        Me.ListView1.View = System.Windows.Forms.View.List        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(96, 224)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(96, 23)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "Show Files"
        "
        "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.Button1, Me.ListView1})
        Me.Name = "Form1"
        Me.Text = "ListViewDemo"
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim Files() As String = Directory.GetFiles("C:\")
        ListView1.View = System.Windows.Forms.View.List
        Dim Filename As String
        For Each Filename In Files
            ListView1.BeginUpdate()
            ListView1.Items.Add(Filename)
            ListView1.EndUpdate()
            ListView1.Refresh()
        Next
    End Sub
End Class