![]() Then the LCL asks the database to show the help for the entry. If several entries are returned, the LCL asks the user to choose an entry. When help is requested, the LCL queries each registered THelpDatabase and each database can return a list of entries. For example a viewer for the mime type text/html can start a web browser. A THelpViewer is a component that shows help content.It can be a collection of HTML pages or fpdoc XML files or a CHM file or a database or whatever. The Help Viewer is invoked by the Help Database to show the help to the user. ) to the help page (or help web site or.). A Help Database contains the mapping from the keywords (ID, node, message, pascal. The LCL help mainly consists of two parts: Help databases and help viewers. There is a very nice simple demo (chmdemo.zip) here: See the CHM help section if you want to use CHM help files instead of HTML help files. Then give each control of your application a HelpKeyword. Setup the paths and create some HTML pages. Just drop them on a form of your project. This project demonstrates how to use the HTML help components. 5 INF (using fpGUI's DocView help viewer).4.1 Setup HTML help for your application.
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