在文件改变时得到通知\FileChange.cpp
....................\FileChange.dsw
....................\FileChange.h
....................\FileChange.rc
....................\FileChangeDlg.cpp
....................\FileChangeDlg.h
....................\FileChangeEvent.cpp
....................\FileChangeEvent.h
....................\FileInfo.cpp
....................\FileInfo.h
....................\resource.h
....................\StdAfx.cpp
....................\StdAfx.h
....................\res\FileChange.ico
....................\...\FileChange.rc2
....................\res
在文件改变时得到通知