VC判断目录是否存在

BOOL DirExists(const char *dir)
{
BOOL bRet;
WIN32_FIND_DATA fd;
HANDLE hFind = FindFirstFile(dir, &fd);
if ((hFind != INVALID_HANDLE_VALUE) && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
bRet = true;
}
else
{
bRet = false;
}
FindClose(hFind);
return bRet;
}