8.如何实现图形的拉伸显示效果？

..............................\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