Delphi默认不支持使用CHM格式帮助，该代码让Delphi程序开发者能够以简单的方式启用CHM格式帮助。-Delphi does not include an implementation of HTML Help, but one can easily be created. The

process involves creating some API that call the HTMLHelp API and trapping Delphi application

events to trigger the HTML Help system.