实现位图的淡入淡出显示
......................\...........\AlphaCtrl.cpp
......................\...........\AlphaCtrl.h
......................\...........\Link.cpp
......................\...........\Link.h
......................\...........\PicWnd.h
......................\...........\readme.txt
......................\...........\res




......................\...........\...\Test.rc2

......................\...........\Resource.h
......................\...........\StdAfx.cpp
......................\...........\StdAfx.h
......................\...........\Test.clw
......................\...........\Test.cpp
......................\...........\Test.dsp
......................\...........\Test.dsw
......................\...........\Test.exe
......................\...........\Test.h
......................\...........\Test.rc
......................\...........\TestDlg.cpp
......................\...........\TestDlg.h
......................\使用说明.CHM