File list (Check if you may need any files):
WDMBOOK_XP(武安河第二版光盘)\WDMBOOK_XP\CharFilter\CharFilter.aps
............................\..........\..........\CharFilter.cpp
............................\..........\..........\CharFilter.dsp
............................\..........\..........\CharFilter.dsw
............................\..........\..........\CharFilter.h
............................\..........\..........\CharFilter.inf.txt
............................\..........\..........\CharFilter.ncb
............................\..........\..........\CharFilter.opt
............................\..........\..........\CharFilter.plg
............................\..........\..........\CharFilter.rc
............................\..........\..........\CharFilterDevice.cpp
............................\..........\..........\CharFilterDevice.h
............................\..........\..........\CharSampleDeviceInterface.h
............................\..........\..........\CharSampleioctl.h
............................\..........\..........\exe\makefile
............................\..........\..........\...\objchk\i386\OpenByIntf.obj
............................\..........\..........\...\......\....\Test_CharSample.exe
............................\..........\..........\...\......\....\Test_CharSample.idb
............................\..........\..........\...\......\....\Test_CharSample.ilk
............................\..........\..........\...\......\....\Test_CharSample.obj
............................\..........\..........\...\......\....\test_charsample.pdb
............................\..........\..........\...\OpenByIntf.cpp
............................\..........\..........\...\sources
............................\..........\..........\...\Test_CharSample.cpp
............................\..........\..........\...\Test_CharSample.dsp
............................\..........\..........\...\Test_CharSample.dsw
............................\..........\..........\...\Test_CharSample.ncb
............................\..........\..........\...\Test_CharSample.opt
............................\..........\..........\...\Test_CharSample.plg
............................\..........\..........\function.h
............................\..........\..........\makefile
............................\..........\..........\objchk\i386\charfilter.idb
............................\..........\..........\......\....\CharFilter.map
............................\..........\..........\......\....\CharFilter.NMS
............................\..........\..........\......\....\CharFilter.obj
............................\..........\..........\......\....\charfilter.pdb
............................\..........\..........\......\....\CharFilter.res
............................\..........\..........\......\....\CharFilter.sbr
............................\..........\..........\......\....\CharFilter.sys
............................\..........\..........\......\....\CharFilterDevice.obj
............................\..........\..........\......\....\CharFilterDevice.sbr
............................\..........\..........\......\....\CharSample.inf
............................\..........\..........\......\....\CharSample.sys
............................\..........\..........\readme.txt
............................\..........\..........\sources
............................\..........\.........._Class\CharFilter.dsw
............................\..........\................\CharFilter.ncb
............................\..........\................\CharFilter.opt
............................\..........\................\CharSampleioctl.h
............................\..........\................\dll\CharFilterDll.cpp
............................\..........\................\...\CharFilterDll.h
............................\..........\................\...\CharFilterInst.cpp
............................\..........\................\...\CharFilterInst.def
............................\..........\................\...\CharFilterInst.dsp
............................\..........\................\...\CharFilterInst.dsw
.......................