討論 - 有人有用C#寫程式嗎

[魔術王子]

Imports System.IO
Imports System.Runtime.InteropServices
Public Class Form1
    Private Structure SHFILEINFO
        Public hIcon As IntPtr ' : icon
        Public iIcon As Integer ' : icondex
        Public dwAttributes As Integer ' : SFGAO_ flags
        <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=260)> Public szDisplayName As String
        <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=80)> Public szTypeName As String
    End Structure
    Private Declare Ansi 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
 
    Private Const SHGFI_ICON = &H100
    Private Const SHGFI_SMALLICON = &H1
    Private Const SHGFI_LARGEICON = &H0         ' Large icon
    Private nIndex = 0
 
    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        ListView1.Items.Clear()
        Me.ListView1.View = View.Details
        Me.ListView1.SmallImageList = Me.ImageList1
        Me.ListView1.Columns.Add("檔案名稱", 500, HorizontalAlignment.Left)
        Me.ListView1.Columns.Add("修改日期", 160, HorizontalAlignment.Left)
        Dim shinfo As SHFILEINFO
        shinfo = New SHFILEINFO()
        Dim spd() As String = {"桌面", "文件", "下載"}
        For Each dn As String In spd
            Dim bn As New ToolStripButton(dn)
            Select Case (dn)
                Case "桌面"
                    SHGetFileInfo(My.Computer.FileSystem.SpecialDirectories.Desktop, 0, shinfo, Marshal.SizeOf(shinfo), SHGFI_ICON Or SHGFI_SMALLICON)
                    bn.ToolTipText = My.Computer.FileSystem.SpecialDirectories.Desktop()
                Case "文件"
                    SHGetFileInfo(My.Computer.FileSystem.SpecialDirectories.MyDocuments, 0, shinfo, Marshal.SizeOf(shinfo), SHGFI_ICON Or SHGFI_SMALLICON)
                    bn.ToolTipText = My.Computer.FileSystem.SpecialDirectories.MyDocuments
                Case "下載"
                    SHGetFileInfo(My.Computer.Registry.CurrentUser.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders", False).GetValue("{374DE290-123F-4565-9164-39C4925E467B}"), 0, shinfo, Marshal.SizeOf(shinfo), SHGFI_ICON Or SHGFI_SMALLICON)
                    bn.ToolTipText = My.Computer.Registry.CurrentUser.OpenSubKey("SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders", False).GetValue("{374DE290-123F-4565-9164-39C4925E467B}")
            End Select
            bn.Image = System.Drawing.Icon.FromHandle(shinfo.hIcon).ToBitmap
            ToolStrip2.Items.Add(bn)
            AddHandler bn.Click, AddressOf ToolStripButton_Click
        Next
        Dim drives() As String = Directory.GetLogicalDrives()
        For Each drv As String In drives
            Dim bn As New ToolStripButton(drv)
            SHGetFileInfo(drv, 0, shinfo, Marshal.SizeOf(shinfo), SHGFI_ICON Or SHGFI_SMALLICON)
            bn.Image = System.Drawing.Icon.FromHandle(shinfo.hIcon).ToBitmap
            ToolStrip2.Items.Add(bn)
            AddHandler bn.Click, AddressOf ToolStripButton_Click
        Next
 
        FileSystemWatcher1.Path = My.Computer.FileSystem.CurrentDirectory
        FileSystemWatcher1_Changed(sender, Nothing)
    End Sub
 
    Private Sub FileSystemWatcher1_Changed(sender As Object, e As FileSystemEventArgs) Handles FileSystemWatcher1.Changed
        ImageList1.Images.Clear()
        Me.ListView1.Items.Clear()
        Dim hImgSmall As IntPtr  'The handle to the system image list.
        Dim shinfo As SHFILEINFO
        Dim nIndex As Integer = 0
        shinfo = New SHFILEINFO()
        Dim dir As New DirectoryInfo(FileSystemWatcher1.Path)
        Dim dirs As DirectoryInfo() = dir.GetDirectories("*.*")
        Dim diNext As DirectoryInfo
        For Each diNext In dirs
            hImgSmall = SHGetFileInfo(diNext.FullName, 0, shinfo, Marshal.SizeOf(shinfo), SHGFI_ICON Or SHGFI_SMALLICON)
            Dim myIcon As System.Drawing.Icon
            myIcon = System.Drawing.Icon.FromHandle(shinfo.hIcon)
            ImageList1.Images.Add("dir", myIcon) 'Add icon to imageList.
            Dim lvItem As New ListViewItem(diNext.Name, "dir")
            lvItem.SubItems.Add(diNext.LastWriteTime)
            Me.ListView1.Items.Add(lvItem)
        Next
        For Each f In dir.GetFiles("*.*")
            hImgSmall = SHGetFileInfo(f.FullName, 0, shinfo, Marshal.SizeOf(shinfo), SHGFI_ICON Or SHGFI_SMALLICON)
            Dim myIcon As System.Drawing.Icon
            myIcon = System.Drawing.Icon.FromHandle(shinfo.hIcon)
            ImageList1.Images.Add(f.Extension, myIcon) 'Add icon to imageList.
            Dim lvItem As New ListViewItem(f.Name, f.Extension)
            lvItem.SubItems.Add(f.LastWriteTime)
            Me.ListView1.Items.Add(lvItem)
        Next
    End Sub
    Private Sub ToolStripButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        FileSystemWatcher1.Path = DirectCast(sender, ToolStripButton).ToolTipText
        FileSystemWatcher1_Changed(sender, Nothing)
    End Sub
End Class

Vb 版