8.如何捕获Ctrl和Ctrl+Shift组合键？
..................................\MainFrm.cpp
..................................\MainFrm.h
..................................\ReadMe.txt
..................................\Release
..................................\res

..................................\...\Test.manifest
..................................\...\Test.rc2


..................................\Resource.h
..................................\stdafx.cpp
..................................\stdafx.h
..................................\Test.cpp
..................................\Test.h
..................................\Test.ncb
..................................\Test.rc
..................................\Test.sln
..................................\Test.suo
..................................\Test.vcproj
..................................\TestDoc.cpp
..................................\TestDoc.h
..................................\TestView.cpp
..................................\TestView.h