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  • 在VB中如何打开“文件夹选项”对话框?

    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 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
    Private Sub Form_Load()

    Dim iNull As Integer, lpIDList As Long, lResult As Long
    Dim sPath As String, udtBI As BrowseInfo

        With udtBI
            'Set the owner window
            .hWndOwner = Me.hWnd
            'lstrcat appends the two strings and returns the memory address
            .lpszTitle = lstrcat("请选择文件夹", "") '标题
            'Return only if the user selected a directory
            .ulFlags = BIF_RETURNONLYFSDIRS
        End With

        'Show the 'Browse for folder' dialog
        lpIDList = SHBrowseForFolder(udtBI)
        If lpIDList Then
            sPath = String$(MAX_PATH, 0)
            'Get the path from the IDList
            SHGetPathFromIDList lpIDList, sPath
            'free the block of memory
            CoTaskMemFree lpIDList
            iNull = InStr(sPath, vbNullChar)
            If iNull Then
                sPath = Left$(sPath, iNull - 1)
            End If
        End If
        MsgBox sPath
    End Sub
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  • 原文地址:https://www.cnblogs.com/topboy168/p/468679.html
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