CDirDialog - opens File dialog instead of directory dialog on Windows 7.

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Hi,

I have an MFC application which uses "CDirDialog" to open directory dialog.

On WindowsXP it works fine, it opens a directory dialog but on Windows7 it is opening a File dialog and not a directory dialog at all.

Does anybody know why this is happening and what shall we do to solve this issue ?

Here is a sample code :

C#

CDirDialog  GetDirDlg(AfxGetMainWnd());
GetDirDlg.m_ofn.lpstrTitle = _T( "Choose Project Top Directory" );
    
if (GetDirDlg.DoModal() == IDOK)
{
m_sTopPath = GetDirDlg.m_sDirectory;
}

On Win7 it is opening file dialog whereas it is expected to open a directory dialog.

Thanks in advance.

- Prasad.

Posted 21-Jun-12 0:21am

prasad@codeproj

Updated 21-Jun-12 0:30am

Prasad_Kulkarni

v2

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Comments

Jochen Arndt 21-Jun-12 6:38am

CDirDialog is not a MFC class. So you should supply more information on the used code (at least provide a link to the source of the CDirDialog implementation).

2 solutions

Solution 2

With the help of following given code I can now open a dialog to browse folders.

Now I am using ::SHBrowseForFolder() and it works fine !

class CFolderDialog : public CCommonDialog

{
public:
CString m_sPath;
BROWSEINFO m_bi;
CFolderDialog(CWnd* pParentWnd);
static INT CALLBACK BrowseCallbackProc( IN HWND hWnd, IN UINT uMsg, IN LPARAM lParam, IN LPARAM lpData );
int DoModal();
};

//

CFolderDialog::CFolderDialog(CWnd* pParentWnd) : CCommonDialog(pParentWnd)
{
LPCTSTR pszTitle = _T( "Select the root folder for the browse dialog:" );
UINT uFlags = BIF_RETURNONLYFSDIRS | BIF_USENEWUI;
m_bi.hwndOwner = pParentWnd->GetSafeHwnd();
m_bi.pidlRoot = NULL;
m_bi.lpszTitle = pszTitle;
m_bi.ulFlags = uFlags;
m_bi.lpfn = (BFFCALLBACK)&BrowseCallbackProc;
m_bi.lParam = (LPARAM)this;

m_bi.pszDisplayName = new TCHAR[ MAX_PATH ];
ASSERT( m_bi.pszDisplayName != NULL );
}

int CFolderDialog::DoModal()
{
INT_PTR nRet = -1;
m_bi.hwndOwner = PreModal();

LPITEMIDLIST pItemIDList = ::SHBrowseForFolder( &m_bi );
if( pItemIDList )
{
TCHAR szFolPath[ MAX_PATH ];
if( ::SHGetPathFromIDList( pItemIDList, szFolPath ) )
nRet = IDOK;

m_sPath = CString(szFolPath);
}
else
nRet = IDCANCEL;

PostModal();
return ( nRet );
}

INT CALLBACK CFolderDialog::BrowseCallbackProc( IN HWND hWnd,
IN UINT uMsg,
IN LPARAM lParam,
IN LPARAM lpData )
{
INT nRet = 1;
return nRet;
}

// using CFolderDialog -

CFolderDialog dlg(AfxGetMainWnd());
if(dlg.DoModal() == IDOK)
{
m_sInstallPath = dlg.m_sPath;

}

Posted 25-Jun-12 0:06am

prasad@codeproj

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Binu MD · Accepted Answer · 2012-06-21T15:34:00

Solution 1

Hi,

CDirDialog is not a part of MFC, you can use any of the below options

C++

CFolderPickerDialog  fFolder;
if( fFolder.DoModal() == IDOK  )
{
    CString strFolderPath  = fFolder.GetFolderPath();
}

or
CFolderDialog-Selecting-Folders
[^]

or
SHBrowseForFolder function
http://msdn.microsoft.com/en-us/library/windows/desktop/bb762115%28v=vs.85%29.aspx[^]

Posted 21-Jun-12 15:34pm

Binu MD

Comments

prasad@codeproj 25-Jun-12 6:13am

Hi,

Thank you very much, SHBrowseForFolder() solved my problem.
CDirDialog I was using was actually inheriting CFileDialog.
class CDirDialog : public CFileDialog
{
It is able to open a directory dialog in WinXP but on Win7 it is not.
Do you have any idea why it does not work on Win7 ? please let me know.
Thanks once again!

- Prasad.

Binu MD 25-Jun-12 20:57pm

Hi Prasad,

I think it is possible, please check this http://www.codeproject.com/Articles/9865/XFolderDialog-a-folder-selection-dialog-based-on-C

prasad@codeproj 28-Jun-12 22:59pm

Hi Binu,

Thanks a lot ! it works.
To solve my problem what I had to do is only override a DoModal() function and add few lines in it -

int CDirDialog::DoModal()
{
m_ofn.hwndOwner = PreModal();
int nResult = ::GetOpenFileName(&m_ofn);
PostModal();

return nResult ? nResult : IDCANCEL;
}

Thanks once again !

- Prasad.

Binu MD 28-Jun-12 23:26pm

you welcome :)