// TODO: Add your command handler code here CImageDoc*pDoc=GetDocument(); pDoc->save_curregionID(); std::ifstream ID_file("E:\\all_ID.txt",ios::in ); std::ifstream label_file("E:\\all_label.txt",ios::in ); if (!ID_file.is_open()) AfxMessageBox("Unable to open ID_file") ; if (!label_file.is_open()) AfxMessageBox("Unable to open label_file") ; int m,n; while(ID_file) { ID_file >> m ; label_file >> n; pDoc->classify_region(m,n); }