vc里面可以选中文件夹的窗口是

Question

各位大侠，
vc里面可以选中文件夹的窗口是
什么函数？

Answer 1

CFileDialog myDlg(参数);
myDlg.DoModal();

Answer 2

CString& CDlldiffApp::BrowseForFolder(
           HWND hWnd, LPCSTR lpszTitle, UINT nFlags)
{
  // We're going to use the shell to display a 
  // "Choose Directory" dialog box for the user.
  
  CString strResult = "";
  
  LPMALLOC lpMalloc;  // pointer to IMalloc
  if (::SHGetMalloc(&lpMalloc) != NOERROR)
     return strResult; // failed to get allocator  char szDisplayName[_MAX_PATH];
  
  char szBuffer[_MAX_PATH];  BROWSEINFO browseInfo;
  browseInfo.hwndOwner = hWnd;
  // set root at Desktop
  browseInfo.pidlRoot = NULL; 
  browseInfo.pszDisplayName = "monkey";
  browseInfo.lpszTitle = "monkey";   // passed in
  browseInfo.ulFlags = BIF_EDITBOX;   // also passed in
  browseInfo.lpfn = NULL;      // not used
  browseInfo.lParam = 0;      // not used     
  LPITEMIDLIST lpItemIDList;  if ((lpItemIDList = ::SHBrowseForFolder(&browseInfo)) 
       != NULL)
  {
     // Get the path of the selected folder from the
     // item ID list.
if (::SHGetPathFromIDList(lpItemIDList, szBuffer))
     {
        // At this point, szBuffer contains the path 
        // the user chose.
        if (szBuffer[0] == '\0')
        {
           // SHGetPathFromIDList failed, or
           // SHBrowseForFolder failed.
           //AfxMessageBox(IDP_FAILED_GET_DIRECTORY,
           //   MB_ICONSTOP|MB_OK);
           return strResult;
        }
     
        // We have a path in szBuffer!
        // Return it.
        strResult = szBuffer;
        return strResult;
     }
     else
     {
        // The thing referred to by lpItemIDList 
        // might not have been a file system object.
        // For whatever reason, SHGetPathFromIDList
        // didn't work!
        //AfxMessageBox(IDP_FAILED_GET_DIRECTORY,
        //   MB_ICONSTOP|MB_OK);
        return strResult; // strResult is empty 
     }
  lpMalloc->Free(lpItemIDList);
  lpMalloc->Release();      
   }// If we made it this far, SHBrowseForFolder failed.
return strResult;
}

Answer 3

CString CYourDialogClass::BrowseForDir(){BROWSEINFO BrowseInfo;LPITEMIDLIST pidlSelectedFolder=NULL;LPCITEMIDLIST pidlRelative=NULL;LPITEMIDLIST pidlItems = NULL;IShellFolder *psfParent=NULL;IShellFolder *psfDesktop=NULL;char buf[MAX_PATH];char pathbuff[MAX_PATH];LPMALLOC pMalloc=NULL;CString result;TCHAR pszDisplayName[MAX_PATH];STRRET strDispName;ULONG uAttr;LPENUMIDLIST ppenum = NULL;HRESULT hr;strcpy(pathbuff,"");strcpy(buf,"");
result="NONE";BrowseInfo.hwndOwner=this->m_hWnd;BrowseInfo.pidlRoot=NULL;BrowseInfo.pszDisplayName=buf;BrowseInfo.lpszTitle="Please select a folder";BrowseInfo.ulFlags=BIF_BROWSEINCLUDEFILES|BIF_USENEWUI;// BrowseInfo.ulFlags=BIF_USENEWUI;BrowseInfo.lpfn=NULL;BrowseInfo.lParam=0;BrowseInfo.iImage=0;
CoInitialize(NULL);SHGetMalloc(&pMalloc);
pidlSelectedFolder = SHBrowseForFolder(&BrowseInfo);if (pidlSelectedFolder){hr = SHBindToParent(pidlSelectedFolder,IID_IShellFolder, (void **)
&psfParent, &pidlRelative);psfParent->GetDisplayNameOf(pidlRelative, SHGDN_INFOLDER, &strDispName);StrRetToBuf(&strDispName, pidlRelative, pszDisplayName, MAX_PATH);uAttr = SFGAO_FOLDER;psfParent->GetAttributesOf(1, (LPCITEMIDLIST *) &pidlRelative, &uAttr);if(uAttr & SFGAO_FOLDER)SHGetPathFromIDList(pidlSelectedFolder,pathbuff);else if (ReturnFile)SHGetPathFromIDList(pidlSelectedFolder,pathbuff);elseAfxMessageBox("You must select a folder");}else{ //user cancelledresult="CANCELED";pMalloc->Release();return result;}if (strlen(pathbuff) != 0 ){result = pathbuff;pMalloc->Free(pidlSelectedFolder);psfParent->Release();return result;}pMalloc->Release();return result;}

Answer 4

void CBackupRestore::OnButtonFindBackup() 
{
BROWSEINFO info;
CString str_Path = "";
memset(&info, 0, sizeof info);
info.lpszTitle = "选择将要存放备份文件所在路径";
LPCITEMIDLIST pidl;
pidl = SHBrowseForFolder(&info);
if(pidl != NULL)
{
char pszPath[4096];
if(!SHGetPathFromIDList(pidl, pszPath))
return;
if(strlen(pszPath) < 3)
return;
str_Path = pszPath;
}
}

Answer 5

前面加:
#include "Shlobj.h"
#pragma comment( lib , "Shell32.lib" )