Class That Allows For Selecting Files or Folders

CFileFolderDialog dlg(TRUE);
if(dlg.DoModal()==IDOK)
{
 CString pathname = dlg.GetPathName;
}

/*
	CFileFolderDialog.h
     by tsuneo 1999/07/08
  Extended Common DialogBox for Open/Save Filename or Folder.
  if textbox is empty and "open" button is pushed, selected folder is returned.
  The usage is nearly same as CFileDialog.
  ex)
	CFileFolderDialog dlg(TRUE);
	if(dlg.DoModal()==IDOK){
		CString pathname = dlg.GetPathName;
	}
*/
#if !defined(AFX_FILEFOLDERDIALOG_H__A87A6F25_3446_11D3_AA89_00A02475A9BC__INCLUDED_)
#define AFX_FILEFOLDERDIALOG_H__A87A6F25_3446_11D3_AA89_00A02475A9BC__INCLUDED_

class CFileFolderDialog : public CFileDialog
{
	DECLARE_DYNAMIC(CFileFolderDialog)

public:
	CFileFolderDialog(BOOL bOpenFileDialog, // FileOpen(TRUE) or FileSave(FALSE)
		LPCTSTR lpszDefExt = NULL,
		LPCTSTR lpszFileName = NULL,
		DWORD dwFlags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
		LPCTSTR lpszFilter = NULL,
		CWnd* pParentWnd = NULL);
	virtual CString GetPathName() const;
	virtual CString GetFileName() const;
	virtual CString GetFileExt() const;
	virtual CString GetFileTitle() const;
protected:
	// CString m_strPathName;	// selected full path name

protected:
	//{{AFX_MSG(CFileFolderDialog)
	virtual BOOL OnInitDialog();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}

#endif // !defined(AFX_FILEFOLDERDIALOG_H__A87A6F25_3446_11D3_AA89_00A02475A9BC__INCLUDED_)

//////////////////////////////////////////////////////////////////////
// FileFolderDialog.cpp : Implementation File
//

#include "stdafx.h"
#include "FileFolderDialog.h"
#include 

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CFileFolderDialog
/* dummy file name for end dialog */
#define DUMMY_FILE "__dummyfile__"

IMPLEMENT_DYNAMIC(CFileFolderDialog, CFileDialog)

CFileFolderDialog::CFileFolderDialog(BOOL bOpenFileDialog, LPCTSTR lpszDefExt, LPCTSTR lpszFileName,
		DWORD dwFlags, LPCTSTR lpszFilter, CWnd* pParentWnd) :
		CFileDialog(bOpenFileDialog, lpszDefExt, lpszFileName, dwFlags, lpszFilter, pParentWnd)
{
}
BEGIN_MESSAGE_MAP(CFileFolderDialog, CFileDialog)
	//{{AFX_MSG_MAP(CFileFolderDialog)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

WNDPROC oldWindowProc; /* original window function to save*/
/* hooked window funcction */
static LRESULT CALLBACK SubclassWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	if(uMsg == WM_COMMAND){
		if(LOWORD(wParam) == IDOK){
			/* if OK button is pushed and text box is empty, enter dummy filename for end dialog */
			char filename[1000];
			if(GetDlgItemText(hwnd, edt1, filename, sizeof(filename)) == 0){
				SetDlgItemText(hwnd, edt1, DUMMY_FILE);
			}
		}
	}
	return CallWindowProc(oldWindowProc, hwnd, uMsg, wParam, lParam);
}

BOOL CFileFolderDialog::OnInitDialog() 
{
	CFileDialog::OnInitDialog();
	oldWindowProc = (WNDPROC)::SetWindowLong(GetParent()->m_hWnd, GWL_WNDPROC, (DWORD)SubclassWindowProc);
	return TRUE;
}

CString CFileFolderDialog::GetPathName() const{
	CString pathname(m_szFileName);
	if(CString(m_szFileTitle) == DUMMY_FILE){
		int slashpos = pathname.ReverseFind('\\');
		if(slashpos != -1){ pathname = pathname.Left(slashpos); }
	}
	return pathname;
}
CString CFileFolderDialog::GetFileName() const{
	CString pathname = GetPathName();
	int slashpos = pathname.ReverseFind('\\');
	return pathname.Mid(slashpos + 1);
}
CString CFileFolderDialog::GetFileExt() const{
	CString filename = GetFileName();
	int dotpos = filename.ReverseFind('.');
	return (dotpos != -1) ? filename.Mid(dotpos+1) : "";
}
CString CFileFolderDialog::GetFileTitle() const{
	CString filename = GetFileName();
	int dotpos = filename.ReverseFind('.');
	return filename.Left(dotpos);
}