You can use the HelpNavigator.Topic property to specify the URL of the
required topic, or HelpNavigator.KeywordIndex to pass an index keyword
to the .chm file and display the topic associated with that keyword.
There are examples of both methods here:
thanks for replying.
i noticed that the help file window opened by the HelpNavigator is always on
top.
is there anyway i can modify this property?
thanks again.