WebBrowserControl.OnBeforeNavigate Property (Access)
Gets or sets the value of the On Before Navigate box in the property sheet os a Web Browser control. Read/write String.
This property is helpful for programmatically changing the action Microsoft Access takes when an event is triggered. For example, between event calls you may want to change an expression's parameters, or switch from an event procedure to an expression or macro, depending on the circumstances under which the event was triggered.