4.如何缩放显示位图？\MainFrm.cpp
....................\MainFrm.h
....................\ReadMe.txt
....................\..lease\Test.exe
....................\res\Test.ico
....................\...\Test.manifest
....................\...\Test.rc2
....................\...\TestDoc.ico
....................\...\Toolbar.bmp
....................\Resource.h
....................\stdafx.cpp
....................\stdafx.h
....................\Test.cpp
....................\Test.h
....................\Test.ncb
....................\Test.rc
....................\Test.reg
....................\Test.sln
....................\Test.suo
....................\Test.vcproj
....................\TestDoc.cpp
....................\TestDoc.h
....................\TestView.cpp
....................\TestView.h
....................\Release
....................\res
4.如何缩放显示位图？