实例4  颜色渐变进度条
.....................\ClrGradientPrgssCtrl
.....................\....................\ClrGradientPrgssCtrl.aps
.....................\....................\ClrGradientPrgssCtrl.clw
.....................\....................\ClrGradientPrgssCtrl.cpp
.....................\....................\ClrGradientPrgssCtrl.dsp
.....................\....................\ClrGradientPrgssCtrl.dsw
.....................\....................\ClrGradientPrgssCtrl.h
.....................\....................\ClrGradientPrgssCtrl.ncb
.....................\....................\ClrGradientPrgssCtrl.opt
.....................\....................\ClrGradientPrgssCtrl.plg
.....................\....................\ClrGradientPrgssCtrl.rc
.....................\....................\ClrGradientPrgssCtrlDlg.cpp
.....................\....................\ClrGradientPrgssCtrlDlg.h
.....................\....................\GradientProgressCtrl.cpp
.....................\....................\GradientProgressCtrl.h
.....................\....................\MemDC.h
.....................\....................\ReadMe.txt
.....................\....................\res
.....................\....................\resource.h
.....................\....................\...\ClrGradientPrgssCtrl.ico
.....................\....................\...\ClrGradientPrgssCtrl.rc2
.....................\....................\StdAfx.cpp
.....................\....................\StdAfx.h