1 //Get size of a whole dir 2 //return bytes 3 DWORD64 GetFolderSize(LPCTSTR szPath, DWORD *dwFiles, DWORD *dwFolders) 4 { 5  TCHAR szFileFilter[512]; 6  TCHAR szFilePath[512]; 7  HANDLE hFind = NULL; 8  WIN32_FIND_DATA fileinfo; 9  DWORD64    dwSize = 0;10  11  strcpy(szFilePath,szPath);12  strcat(szFilePath,"\");13  strcpy(szFileFilter,szFilePath);14  strcat(szFileFilter,"*.*");15  16  hFind = FindFirstFile(szFileFilter,&fileinfo);17  do18  {19   if(fileinfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)20   {21    if (!strcmp(fileinfo.cFileName,".") || !strcmp(fileinfo.cFileName,".."))22    {23     //Do nothing for "." and ".." folders24    }25    else26    {27     TCHAR sztmp[512];28     strcpy(sztmp,szFilePath);29     strcat(sztmp,fileinfo.cFileName);30     dwSize = dwSize + GetFolderSize(sztmp);31     if(dwFolders != NULL)32     {33      ++(*dwFolders);34     }35    }36   }37   else38   {39    if(dwFiles != NULL)40    {41     ++(*dwFiles);42    }43   }44  45   dwSize += fileinfo.nFileSizeLow;46  47  }while(FindNextFile(hFind,&fileinfo));48  49  FindClose(hFind);50  return dwSize;51 }