实验源码 ........\PRE.APS ........\PRE.cpp ........\PRE.h ........\PRE.rc ........\PRE.sln ........\PRE.vcproj ........\PREDlg.cpp ........\PREDlg.h ........\ReadMe.txt ........\res ........\...\PRE.manifest ........\...\PRE.rc2 ........\Resource.h ........\stdafx.cpp ........\stdafx.h