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About the HTML Help Viewer

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The HTML Help Viewer is the standard three-pane help window in which a compiled help (.chm) file appears. Each pane of the Help Viewer can be manipulated through an HH_WINTYPE structure.

The Help Viewer is shown below:

Pane Description
Navigation Pane (hwndNavigation) Contains all navigational elements, such as a Contents tab, Index tab, and Search tab.
Toolbar Pane (hwndToolbar) Contains one or more navigation buttons, such as Home, Refresh, and Stop.
Topic Pane (hwndHTML) Displays the selected help topic, or the default help topic.

 

Note

The parent help window (hwndHelp) can be used to manipulate the entire Help Viewer and all of its panes.

 

About Window Types