[mapguide-users] Fusion.Event.MAP_EXTENTS_CHANGED throws error

[Mike Adair]

Just a guess but it sounds like your mapWidget object changes in between 
calls.

Mike

GordonL wrote:
> Hi, I am just trying to grab the current scale when the user zooms in and out
> - but after the code runs once, successfully, to throws the following error:
>
> Message: 'this.events[...][...]' is null or not an object
> Line: 110
> Char: 13
> Code: 0
> URI: http://localhost/mapguide2010/fusion/lib/EventMgr.js
>
> the code:
>
> mapWidget.registerForEvent(Fusion.Event.MAP_EXTENTS_CHANGED,
> alert(mapWidget.getScale()));
>
>
> the code works great, once.
>   

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   Michael Adair
   Senior Software Architect
   DM Solutions Group Inc.

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