在VB中直接选取文件路径直接使用控件就可以实现
选取文件夹路径可以采用下述办法。
'--------------------------------------------------------------------------------------- ' 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,"") .ulFlags = BIF_RETURNONLYFSDirs End With lpIDList = SHbrowseForFolder(udtBI) If lpIDList Then sPath = String$(MAX_PATH,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
此方法也是摘自互联网,自己只是整理了一下,具体原理自己也不是很清楚。当然要是有人愿意分析更好了,现在由于时间原因,也只能是拿来主义了
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