std::string getfilename(std::string sfilename){	using namespace std;	string sname = sfilename.substr(0, sfilename.find_first_of("."));	return sname;}// get folder all filestd::vector
    
      GetTargetFileInFolder(std::string sfolder, const std::string sfileext){	using namespace std;	sfolder += "\\" + sfileext;	std::vector
     
       vecFileName;	WIN32_FIND_DATA FindFileData = {0};	HANDLE hFile = FindFirstFile(sfolder.c_str(), &FindFileData);	if (hFile == INVALID_HANDLE_VALUE)	{		printf("hFile == INVALID_HANDLE_VALUE\n");		return vecFileName;	}	else	{		vecFileName.push_back(getfilename(FindFileData.cFileName));		while (FindNextFile(hFile, &FindFileData) != 0)		{			if (FindFileData.nFileSizeLow)			{							vecFileName.push_back(getfilename(FindFileData.cFileName));			}		}	}	return vecFileName;}