'Visual Basic.Net JingCai Programming 100 Examples
'Author: Yong Zhang
'Publisher: Water Publisher China
'ISBN: 750841156
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Runtime.InteropServices
Imports System.IO
public class FileListView
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Dim nIndex As Integer = 0
Private Sub CreateMyListView(ByVal dirpath As String)
Dim hImgSmall As IntPtr
Dim hImgLarge As IntPtr
Dim shinfo As FileInfoClass.SHFILEINFO = New FileInfoClass.SHFILEINFO()
ListView1.Clear()
ImageListSmall.Images.Clear()
ImageListLarge.Images.Clear()
nIndex = 0
ListView1.Columns.Add("File Name", 200, HorizontalAlignment.Left)
ListView1.Columns.Add("Size", 100, HorizontalAlignment.Left)
ListView1.Columns.Add("Date", 100, HorizontalAlignment.Left)
ListView1.Columns.Add("Attribute", 100, HorizontalAlignment.Center)
ListView1.LargeImageList = imageListLarge
ListView1.SmallImageList = imageListSmall
ListView1.View = View.Details
ListView1.LabelEdit = True
ListView1.AllowColumnReorder = True
ListView1.CheckBoxes = True
ListView1.FullRowSelect = True
ListView1.GridLines = True
ListView1.Sorting = SortOrder.Ascending
Dim FilesInDir As String() = Directory.GetFiles(dirpath, "*.*")
Dim SFile As String
Dim item1 As New ListViewItem("", 0)
item1.SubItems.Add("1")
item1.SubItems.Add("2")
item1.SubItems.Add("3")
Dim ctdate As Date
Dim fAttr As FileAttribute
For Each SFile In FilesInDir
ctdate = IO.File.GetCreationTime(SFile)
fAttr = IO.File.GetAttributes(SFile)
shinfo.szDisplayName = New String(Chr(0), 260)
shinfo.szTypeName = New String(Chr(0), 80)
hImgSmall = FileInfoClass.SHGetFileInfo(SFile, 0, shinfo, _
Marshal.SizeOf(shinfo), _
FileInfoClass.SHGFI_ICON Or FileInfoClass.SHGFI_SMALLICON)
ImageListSmall.Images.Add(System.Drawing.Icon.FromHandle(shinfo.hIcon)) 'Add icon to smallimageList.
hImgLarge = FileInfoClass.SHGetFileInfo(SFile, 0, shinfo, _
Marshal.SizeOf(shinfo), _
FileInfoClass.SHGFI_ICON Or FileInfoClass.SHGFI_LARGEICON)
ImageListLarge.Images.Add(System.Drawing.Icon.FromHandle(shinfo.hIcon)) 'Add icon to LargeimageList.
ListView1.Items.Add(New ListViewItem(New String() {SFile, CStr(FileLen(SFile)), ctdate.ToString, fAttr.ToString}, nIndex))
nIndex = nIndex + 1
Next
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim disks As String() = Directory.GetLogicalDrives
Dim Sdisk As String
ComboBox1.Items.Clear()
For Each Sdisk In disks
ComboBox1.Items.Add(Sdisk)
Next
End Sub
Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
CreateMyListView(ComboBox1.Text)
End Sub
End Class
Public Class FileInfoClass
Public Structure SHFILEINFO
Public hIcon As IntPtr
Public iIcon As Integer
Public dwAttributes As Integer
<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=260)> _
Public szDisplayName As String
<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=80)> _
Public szTypeName As String
End Structure
Public Declare Auto Function SHGetFileInfo Lib "shell32.dll" _
(ByVal pszPath As String, _
ByVal dwFileAttributes As Integer, _
ByRef psfi As SHFILEINFO, _
ByVal cbFileInfo As Integer, _
ByVal uFlags As Integer) As IntPtr
Public Const SHGFI_ICON = &H100
Public Const SHGFI_SMALLICON = &H1
Public Const SHGFI_LARGEICON = &H0 ' Large icon
End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.components = New System.ComponentModel.Container
Me.ComboBox1 = New System.Windows.Forms.ComboBox
Me.ListView1 = New System.Windows.Forms.ListView
Me.ImageListSmall = New System.Windows.Forms.ImageList(Me.components)
Me.ImageListLarge = New System.Windows.Forms.ImageList(Me.components)
Me.SuspendLayout()
'
'ComboBox1
'
Me.ComboBox1.FormattingEnabled = True
Me.ComboBox1.Location = New System.Drawing.Point(12, 3)
Me.ComboBox1.Name = "ComboBox1"
Me.ComboBox1.Size = New System.Drawing.Size(413, 20)
Me.ComboBox1.TabIndex = 0
'
'ListView1
'
Me.ListView1.Location = New System.Drawing.Point(12, 29)
Me.ListView1.Name = "ListView1"
Me.ListView1.Size = New System.Drawing.Size(413, 207)
Me.ListView1.TabIndex = 1
Me.ListView1.UseCompatibleStateImageBehavior = False
'
'ImageListSmall
'
Me.ImageListSmall.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
Me.ImageListSmall.ImageSize = New System.Drawing.Size(16, 16)
Me.ImageListSmall.TransparentColor = System.Drawing.Color.Transparent
'
'ImageListLarge
'
Me.ImageListLarge.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
Me.ImageListLarge.ImageSize = New System.Drawing.Size(16, 16)
Me.ImageListLarge.TransparentColor = System.Drawing.Color.Transparent
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(437, 246)
Me.Controls.Add(Me.ListView1)
Me.Controls.Add(Me.ComboBox1)
Me.ResumeLayout(False)
End Sub
Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
Friend WithEvents ListView1 As System.Windows.Forms.ListView
Friend WithEvents ImageListSmall As System.Windows.Forms.ImageList
Friend WithEvents ImageListLarge As System.Windows.Forms.ImageList
End Class
'Author: Yong Zhang
'Publisher: Water Publisher China
'ISBN: 750841156
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Runtime.InteropServices
Imports System.IO
public class FileListView
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Dim nIndex As Integer = 0
Private Sub CreateMyListView(ByVal dirpath As String)
Dim hImgSmall As IntPtr
Dim hImgLarge As IntPtr
Dim shinfo As FileInfoClass.SHFILEINFO = New FileInfoClass.SHFILEINFO()
ListView1.Clear()
ImageListSmall.Images.Clear()
ImageListLarge.Images.Clear()
nIndex = 0
ListView1.Columns.Add("File Name", 200, HorizontalAlignment.Left)
ListView1.Columns.Add("Size", 100, HorizontalAlignment.Left)
ListView1.Columns.Add("Date", 100, HorizontalAlignment.Left)
ListView1.Columns.Add("Attribute", 100, HorizontalAlignment.Center)
ListView1.LargeImageList = imageListLarge
ListView1.SmallImageList = imageListSmall
ListView1.View = View.Details
ListView1.LabelEdit = True
ListView1.AllowColumnReorder = True
ListView1.CheckBoxes = True
ListView1.FullRowSelect = True
ListView1.GridLines = True
ListView1.Sorting = SortOrder.Ascending
Dim FilesInDir As String() = Directory.GetFiles(dirpath, "*.*")
Dim SFile As String
Dim item1 As New ListViewItem("", 0)
item1.SubItems.Add("1")
item1.SubItems.Add("2")
item1.SubItems.Add("3")
Dim ctdate As Date
Dim fAttr As FileAttribute
For Each SFile In FilesInDir
ctdate = IO.File.GetCreationTime(SFile)
fAttr = IO.File.GetAttributes(SFile)
shinfo.szDisplayName = New String(Chr(0), 260)
shinfo.szTypeName = New String(Chr(0), 80)
hImgSmall = FileInfoClass.SHGetFileInfo(SFile, 0, shinfo, _
Marshal.SizeOf(shinfo), _
FileInfoClass.SHGFI_ICON Or FileInfoClass.SHGFI_SMALLICON)
ImageListSmall.Images.Add(System.Drawing.Icon.FromHandle(shinfo.hIcon)) 'Add icon to smallimageList.
hImgLarge = FileInfoClass.SHGetFileInfo(SFile, 0, shinfo, _
Marshal.SizeOf(shinfo), _
FileInfoClass.SHGFI_ICON Or FileInfoClass.SHGFI_LARGEICON)
ImageListLarge.Images.Add(System.Drawing.Icon.FromHandle(shinfo.hIcon)) 'Add icon to LargeimageList.
ListView1.Items.Add(New ListViewItem(New String() {SFile, CStr(FileLen(SFile)), ctdate.ToString, fAttr.ToString}, nIndex))
nIndex = nIndex + 1
Next
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim disks As String() = Directory.GetLogicalDrives
Dim Sdisk As String
ComboBox1.Items.Clear()
For Each Sdisk In disks
ComboBox1.Items.Add(Sdisk)
Next
End Sub
Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
CreateMyListView(ComboBox1.Text)
End Sub
End Class
Public Class FileInfoClass
Public Structure SHFILEINFO
Public hIcon As IntPtr
Public iIcon As Integer
Public dwAttributes As Integer
<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=260)> _
Public szDisplayName As String
<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=80)> _
Public szTypeName As String
End Structure
Public Declare Auto Function SHGetFileInfo Lib "shell32.dll" _
(ByVal pszPath As String, _
ByVal dwFileAttributes As Integer, _
ByRef psfi As SHFILEINFO, _
ByVal cbFileInfo As Integer, _
ByVal uFlags As Integer) As IntPtr
Public Const SHGFI_ICON = &H100
Public Const SHGFI_SMALLICON = &H1
Public Const SHGFI_LARGEICON = &H0 ' Large icon
End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.components = New System.ComponentModel.Container
Me.ComboBox1 = New System.Windows.Forms.ComboBox
Me.ListView1 = New System.Windows.Forms.ListView
Me.ImageListSmall = New System.Windows.Forms.ImageList(Me.components)
Me.ImageListLarge = New System.Windows.Forms.ImageList(Me.components)
Me.SuspendLayout()
'
'ComboBox1
'
Me.ComboBox1.FormattingEnabled = True
Me.ComboBox1.Location = New System.Drawing.Point(12, 3)
Me.ComboBox1.Name = "ComboBox1"
Me.ComboBox1.Size = New System.Drawing.Size(413, 20)
Me.ComboBox1.TabIndex = 0
'
'ListView1
'
Me.ListView1.Location = New System.Drawing.Point(12, 29)
Me.ListView1.Name = "ListView1"
Me.ListView1.Size = New System.Drawing.Size(413, 207)
Me.ListView1.TabIndex = 1
Me.ListView1.UseCompatibleStateImageBehavior = False
'
'ImageListSmall
'
Me.ImageListSmall.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
Me.ImageListSmall.ImageSize = New System.Drawing.Size(16, 16)
Me.ImageListSmall.TransparentColor = System.Drawing.Color.Transparent
'
'ImageListLarge
'
Me.ImageListLarge.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit
Me.ImageListLarge.ImageSize = New System.Drawing.Size(16, 16)
Me.ImageListLarge.TransparentColor = System.Drawing.Color.Transparent
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(437, 246)
Me.Controls.Add(Me.ListView1)
Me.Controls.Add(Me.ComboBox1)
Me.ResumeLayout(False)
End Sub
Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
Friend WithEvents ListView1 As System.Windows.Forms.ListView
Friend WithEvents ImageListSmall As System.Windows.Forms.ImageList
Friend WithEvents ImageListLarge As System.Windows.Forms.ImageList
End Class
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