navigator Property
Returns an FPHTMLNavigator object that represents the browser in which a document is displayed.
expression.navigator
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example displays the browser application name for the active document, which in this case is "Microsoft FrontPage".
Dim objNav As FPHTMLNavigator
Set objNav = ActiveDocument.parentWindow.navigator
MsgBox objNav.appName