HHN_TRACK Message

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Microsoft Corporation

Updated June 10, 1999

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