在VC对话框控件进度条的基础上进行了扩展，模仿某些专业软件的界面，显示一个颜色渐变的进度条，使用它会给你的应用程序增色不少。-in VC progress of the dialog box controls on the basis of expansion, imitating professional software interface, a color shown gradual progress, it will give