VB6 选择文件夹路径

时间:2023-05-25 13:51:56
'---------------------------------------------------------------------------------------
' Module : ModuleFile
' Author : ROVAST
' Date : 2014-4-22
' Purpose : 文件相关操作模块
' Function : 1、选取文件夹
'--------------------------------------------------------------------------------------- Option Explicit 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
Const BIF_RETURNONLYFSDIRS = 1
Const BIF_NEWDIALOGSTYLE = &H40
Const BIF_EDITBOX = &H10
Const BIF_USENEWUI = BIF_NEWDIALOGSTYLE Or BIF_EDITBOX
Const MAX_PATH = 260
Private Declare Sub CoTaskMemFree Lib "ole32.dll" (ByVal hMem As Long)
Private Declare Function lstrcat Lib "kernel32" Alias "lstrcatA" (ByVal lpString1 As String, ByVal lpString2 As String) As Long
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 '---------------------------------------------------------------------------------------
' Procedure : BrowseForFolder
' Author : ROVAST
' Date : 2014-4-22
' Purpose : 选取文件夹(不含新建文件夹指令) 返回BrowseForFolder
'---------------------------------------------------------------------------------------
'
Public Function BrowseForFolder(Optional sTitle As String = "请选择文件夹") As String
Dim iNull As Integer, lpIDList As Long, lResult As Long
Dim sPath As String, udtBI As BrowseInfo With udtBI
.hWndOwner = 0 ' Me.hWnd
.lpszTitle = lstrcat(sTitle, "")
.ulFlags = BIF_RETURNONLYFSDIRS Or BIF_USENEWUI
End With
lpIDList = SHBrowseForFolder(udtBI)
If lpIDList Then
sPath = String$(MAX_PATH, 0)
SHGetPathFromIDList lpIDList, sPath
CoTaskMemFree lpIDList
iNull = InStr(sPath, vbNullChar)
If iNull Then
sPath = Left$(sPath, iNull - 1)
End If
End If BrowseForFolder = sPath
End Function '---------------------------------------------------------------------------------------
' Procedure : BrowseForFolder1
' Author : ROVAST
' Date : 2014-4-22
' Purpose : 选取文件夹路径(含新建文件夹) 返回BrowseForFolder1 字符串
'---------------------------------------------------------------------------------------
'
Public Function BrowseForFolder1(Optional sTitle As String = "请选择文件夹") As String
Dim iNull As Integer, lpIDList As Long, lResult As Long
Dim sPath As String, udtBI As BrowseInfo With udtBI
.hWndOwner = 0 ' Me.hWnd
.lpszTitle = lstrcat(sTitle, "")
.ulFlags = BIF_RETURNONLYFSDIRS
End With
lpIDList = SHBrowseForFolder(udtBI)
If lpIDList Then
sPath = String$(MAX_PATH, 0)
SHGetPathFromIDList lpIDList, sPath
CoTaskMemFree lpIDList
iNull = InStr(sPath, vbNullChar)
If iNull Then
sPath = Left$(sPath, iNull - 1)
End If
End If BrowseForFolder1 = sPath
End Function

  

在主窗体中可以插入按钮。添加下述代码,其中前一个没有新建文件夹功能,后一个有新建文件夹功能

Option Explicit

Private Sub Command1_Click()
Dim path1 As String
path1 = BrowseForFolder
MsgBox path1
End Sub Private Sub Command2_Click()
Dim path As String
path = BrowseForFolder1
MsgBox path
End Sub