Add columns and rows to a ListView : ListView « GUI « VB.Net Tutorial

1. VB.Net Tutorial
2. GUI
3. ListView

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class AddColumnToListView
   public Shared Sub Main
        Application.Run(New Form2)
   End Sub
End class
Public Class Form2
    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.ComponentModel.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 Button1 As System.Windows.Forms.Button
    Friend WithEvents ListView1 As System.Windows.Forms.ListView
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents ListView2 As System.Windows.Forms.ListView
    Friend WithEvents Button3 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.ListView1 = New System.Windows.Forms.ListView()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.ListView2 = New System.Windows.Forms.ListView()
        Me.Button3 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(32, 8)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Get Files"
        '
        'ListView1
        '
        Me.ListView1.Location = New System.Drawing.Point(32, 40)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(480, 56)
        Me.ListView1.TabIndex = 1
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(32, 120)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(80, 24)
        Me.Button2.TabIndex = 2
        Me.Button2.Text = "Add Item"
        '
        'ListView2
        '
        Me.ListView2.Location = New System.Drawing.Point(32, 160)
        Me.ListView2.Name = "ListView2"
        Me.ListView2.Size = New System.Drawing.Size(504, 97)
        Me.ListView2.TabIndex = 3
        Me.ListView2.View = System.Windows.Forms.View.Details
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(120, 120)
        Me.Button3.Name = "Button3"
        Me.Button3.TabIndex = 4
        Me.Button3.Text = "Add Column"
        '
        'Form2
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(712, 429)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button3, Me.ListView2, Me.Button2, Me.ListView1, Me.Button1})
        Me.Name = "Form2"
        Me.Text = "ListView Example"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        ListView1.Columns.Clear()
        ListView1.Items.Clear()

        ListView1.View = View.Details

        ListView1.Columns.Add("Filename", 100, HorizontalAlignment.Left)
        ListView1.Columns.Add("Extension", 50, HorizontalAlignment.Left)
        ListView1.Columns.Add("Bytes", 50, HorizontalAlignment.Right)

        Dim DI As System.IO.DirectoryInfo = New System.IO.DirectoryInfo("c:\")

        Dim files() As System.IO.FileInfo = DI.GetFiles

        Dim file As System.IO.FileInfo

        Dim li As ListViewItem
        For Each file In files
            li = ListView1.Items.Add(file.Name)
            li.SubItems.Add(file.Extension)
            li.SubItems.Add(file.Length)
        Next
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        ListView2.Items.Add("boo")
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        ListView2.Columns.Add("mycolumn", 20, HorizontalAlignment.Center)
    End Sub
End Class

14.15.ListView
	14.15.1.	ListView Demo
	14.15.2.	Creating List Views in Code
	14.15.3.	Add columns and rows to a ListView
	14.15.4.	Change ListView state: LargeIcon, SmallIcon, List and Detail
	14.15.5.	Add and delete ListView Item
	14.15.6.	ListView Item Check event
	14.15.7.	Displaying directories and their contents in ListView
	14.15.8.	ListView ItemActivate event
	14.15.9.	ListView with CheckBox cell
	14.15.10.	Add file name to ListView
	14.15.11.	Runtime ListView