求索阁

PreDirectory(CString DirName)
{
    LPTSTR          lpBuffer;  
    UINT                uSize;  
    CString            fileName;  
    HANDLE          hHeap;  
    HANDLE          hFindFile;  
    WIN32_FIND_DATA FindFileData;  
    uSize=(GetCurrentDirectory(0,NULL))*sizeof(TCHAR);  
    hHeap=GetProcessHeap();  
    lpBuffer = (LPTSTR)HeapAlloc(hHeap,HEAP_ZERO_MEMORY,uSize);  
    GetCurrentDirectory(uSize,lpBuffer);  
    if(lpBuffer!=DirName)  
    {  
        SetCurrentDirectory(DirName);   //调整当前目录
    }  
    hFindFile=FindFirstFile(_T("*.*"),&FindFileData);  
    CString   tFile;
    if(hFindFile!=INVALID_HANDLE_VALUE)  
    {  
        do  
        {  
            tFile=FindFileData.cFileName;  
            if((tFile==_T("."))||(tFile==_T("..")))   continue;  
            if(FindFileData.dwFileAttributes==FILE_ATTRIBUTE_DIRECTORY)
            {  
                if(DirName[DirName.GetLength()-1]!=_T('\\'))  
                    PreDirectory(DirName+ _T('\\')+tFile);  
                else  
                    PreDirectory(DirName+tFile);  
            }  
            else
            {
                //Process(tFile);//处理文件tFile
                CString fn;
                fn = DirName + _T("\\");
                fn+=tFile;
                //AfxMessageBox(fn);
                m_fList.Add(fn);
            }
        }  
        while(FindNextFile(hFindFile,&FindFileData));  
        FindClose(hFindFile);  
    }  
    else  
    {  
        SetCurrentDirectory(lpBuffer);  
    }  
    SetCurrentDirectory(lpBuffer);   //回复到原来的目录下
}