获取环境变量all user appdata

TCHAR str_all_user_path[MAX_PATH]={0};
	TCHAR str_full_path[MAX_PATH]={0};

	GetEnvironmentVariable(_T("ALLUSERSPROFILE"),str_all_user_path,MAX_PATH);

	_stprintf(str_full_path,_T("%s\\updata"),str_all_user_path);

	CreateDirectory(str_full_path,NULL);

	_stprintf(str_full_path,_T("%s\\updata\\%s"),str_all_user_path,str_file_name);

	OutputDebugStringA("all user path is:");

	OutputDebugString(str_full_path);