About the HTML Help Viewer
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.
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