CStdioFile sFile;
char szFileName[MAX_PATH] = {0x00,};
sprintf_s(szFileName,"./out_tree/outfile_tree_result_%d.txt",i);
sFile.Open(szFileName, CFile::modeCreate | CFile::modeWrite | CFile::typeText , NULL);
sFile.WriteString("File Write Test\r\n");
sFile.Close();
Header: afx.h <- MFC 사용시 헤더 포함되어 있음
