演示怎样使用Timer来实现进度条控件的动画显示，使用timer可以非常方便在VC++的多线程编程中实现窗体类控件的动画效果。




File list:
ex12a
....\Debug
....\.....\ComputeDlg.obj
....\.....\ex12a.exe
....\.....\ex12a.ilk
....\.....\ex12a.obj
....\.....\ex12a.pch
....\.....\ex12a.pdb
....\.....\ex12a.res
....\.....\ex12aDoc.obj
....\.....\ex12aView.obj
....\.....\MainFrm.obj
....\.....\StdAfx.obj
....\.....\vc60.idb
....\.....\vc60.pdb
....\res
....\...\ex12a.ico

....\...\ex12a.rc2
....\...\ex12aDoc.ico

....\...\Toolbar.bmp

....\ComputeDlg.cpp
....\ComputeDlg.h
....\ex12a.aps
....\ex12a.clw
....\ex12a.cpp
....\ex12a.dsp
....\ex12a.dsw
....\ex12a.h
....\ex12a.ncb
....\ex12a.opt
....\ex12a.plg
....\ex12a.rc
....\ex12aDoc.cpp
....\ex12aDoc.h
....\ex12aView.cpp
....\ex12aView.h
....\MainFrm.cpp
....\MainFrm.h
....\ReadMe.txt
....\resource.h
....\StdAfx.cpp
....\StdAfx.h