双缓冲\test\res\1.bmp
......\....\...\test.ico
......\....\resource.h
......\....\stdafx.cpp
......\....\stdafx.h
......\....\test.cpp
......\....\test.h
......\....\test.rc
......\....\test.vcproj
......\....\testDlg.cpp
......\....\testDlg.h
......\test.sln
......\....\res
......\test
双缓冲