图形裁剪
........\draw1.aps
........\draw1.cpp
........\draw1.h
........\draw1.ncb
........\draw1.rc
........\draw1.sln
........\draw1.suo
........\draw1.vcproj
........\draw1Doc.cpp
........\draw1Doc.h
........\draw1View.cpp
........\draw1View.h
........\MainFrm.cpp
........\MainFrm.h
........\res
........\Resource.h
........\res\draw1.ico
........\...\draw1.manifest
........\...\draw1.rc2
........\...\draw1Doc.ico
........\...\Toolbar.bmp
........\stdafx.cpp
........\stdafx.h