From Tracker Software PDF SDK
The event is fired when the mouse is being triggered in the IPXV_PagesView.
|Param1||PARAM_T||Code of the event that is being fired (for example WM_LBUTTONDOWN).|
|Param2||PARAM_T||Contains the IUIX_Event interface that can be used to obtain more data.|
|Handled||VARIANT_BOOL||Specifies whether the event was handled. Marking the event as handled will cause the event sender to look at the event`s result and act accordingly based on the event type.|
|Result||PARAM_T||Specifies the result that will be used by the event sender when the event is marked as Handled. If the result is not 0 then the event execution will be stopped.|