HHN_TRACK message
From HTML Help API
HHN_TRACK message
Sent when a user clicks a button on the toolbar or a tab in the Navigation pane of the HTML Help Viewer. The message is sent before the action is taken.
| Notification code | lParam |
|---|---|
| HHN_TRACK | A pointer to an HHNTRACK structure. |
Comments
- Make sure that the help window definition includes the settings for notification messages. Otherwise, HTML Help will not send notification messages.
- If the button click results in navigation to a different topic, an HHN_NAVCOMPLETE message is also sent.
|
About notification messages |