有两个ASP。网络应用和两个Windows窗体。展示了如何实现工具提示的帮助,如何提供上下文帮助当使用者按下F1键,如何使用HelpProvider组件。-There are two ASP. Network applications and Windows Forms. Shows how to implement tooltips help, how to provide context-sensitive help when the user presses the F1 key, how to use the HelpProvider component.