c# - Check if 'Restrict background data' is active on Windows Phone -

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there settings in data sense 'restrict background data' , 'restrict background data when roamind'. blocking background tasks without notification application. how check state app, can alert user?

i think exception message way detect it. in background task sample code. 

    // place call add in try block in case user has disabled agents.     try     {         scheduledactionservice.add( task );     }     catch ( invalidoperationexception exception )     {         if ( exception.message.contains( "bns error: action disabled" ) )         {            // background agents application have been disabled user.         }         if ( exception.message.contains( "bns error: maximum number of scheduledactions of type have been added." ) )         {          }         //...     }

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