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MS Cmn Dialog Box openig directories only

Posted on 2001-06-06
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Last Modified: 2010-05-02
Hia,
I want my ms common dialog box to return the directory selected, rather than force me to select a file. How can I do that, is there a flag or something I can apply?

Thanks,
Nite
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Question by:NiTech
6 Comments
 
LVL 10

Expert Comment

by:caraf_g
Comment Utility
Yeah. The "Common Dialog Replacement Project" is just the place to look for:

http://www.mvps.org/ccrp/controls/ccrpcontrols.htm

The one you'll be interested in is the BrowseDialog. I personally prefer the server over the OCX.

It has the control, plus code samples!
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Expert Comment

by:caraf_g
Comment Utility
Actually, the OCX has been discontinued. :o)
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LVL 43

Expert Comment

by:TimCottee
Comment Utility
Or you can use the API SHBrowseForFolder dialog instead:

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()
    'KPD-Team 1998
    'URL: http://www.allapi.net/
    'KPDTeam@Allapi.net
    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("C:\", "")
        '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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Expert Comment

by:caraf_g
Comment Utility
Here's the "programmer's reference"

http://www.mvps.org/ccrp/support/help/bdsvr/ccrpbds.htm

Tim,

Your example works, but I found it very finicky to customize it to behave exactly the way you want it. With the CCRP solution that's made very easy.
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LVL 27

Accepted Solution

by:
Ark earned 50 total points
Comment Utility
Hi

Const BIF_RETURNONLYFSDIRS = &H1
Const BIF_DONTGOBELOWDOMAIN = &H2
Const BIF_INCLUDEFILES = &H4000&
Const BIF_EDITBOX = &H10

Private Sub Command1_Click()
  Dim oShell As Object
  Set oShell = CreateObject("Shell.Application")
  On Error Resume Next
  Caption = oShell.BrowseForFolder(0, "Choose a folder", BIF_RETURNONLYFSDIRS)
  If Err Then Caption = "Nothing selected"
  Set oShell = Nothing
End Sub

Cheers
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Author Comment

by:NiTech
Comment Utility
Thanks, sorry for late response.
0

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