[Users] How to show a loadmask when a wms layer is being loaded?

[Robert Buckley]

Hi,

Some layers take ages to load. To allow the user to know that it´s being laoded 
I would like to add a loadmask to the mappanel.

I´ve tried all the simple stuff like adding        

" loadMask   : {msg:'Loading Data...'}," to the geoext mappanel config...

but to no avail.


Any clues?


cheers,

Rob


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