Option Compare Database

Option Explicit

Private Const BIF_RETURNONLYFSDIRS = 1
Private Const BIF_DONTGOBELOWDOMAIN = 2
Private Const MAX_PATH = 260

Private Type BrowseInfo
   hwndOwner      As Long
   pIDLRoot       As Long
   pszDisplayName As Long
   lpszTitle      As Long
   ulFlags        As Long
   lpfnCallback   As Long
   lParam         As Long
   iImage         As Long
End Type

Private Declare Function SHBrowseForFolder Lib "shell32" (lpbi As BrowseInfo) As Long
Private Declare Function SHGetPathFromIDList Lib "shell32" (ByVal pidList As Long, ByVal lpBuffer As String) As Long
Private Declare Function lstrcat Lib "kernel32" Alias "lstrcatA" (ByVal lpString1 As String, ByVal lpString2 As String) As Long

Public Function OpenDirectoryTV(Optional odtvTitle As String) As String

   Dim lpIDList As Long
   Dim sBuffer As String
   Dim szTitle As String
   Dim tBrowseInfo As BrowseInfo
   szTitle = odtvTitle
   lpIDList = SHBrowseForFolder(tBrowseInfo)
   If (lpIDList) Then
      sBuffer = Space(MAX_PATH)
      SHGetPathFromIDList lpIDList, sBuffer
      sBuffer = Left(sBuffer, InStr(sBuffer, vbNullChar) - 1)
      OpenDirectoryTV = sBuffer
   End If
End Function

Private Sub Command0_Click()
Me.Text1 = OpenDirectoryTV("请选择一个目录")
End Sub