SimpleRingsParameters parameters = new SimpleRingsParameters();
             
// The PointLayer type could take either data as
// ESRI.ArcGIS.Client.Tasks.FeatureSet, ESRI.ArcGIS.Client.BAServer.FolderItem,
// or a list of ESRI.ArcGIS.Client.BACore.PointRecord items, e.g.
//List<PointRecord> points = new List<PointRecord>() {
//    new PointRecord("Store 1", "Steiner St. & Geary Blvd", "1", 37.78415, -122.4346)};
             
// Set Stores as a list of PointRecord using implicit cast operator.
parameters.Stores = points;
             
// The StoreIDField parameter is ignored if stores are specified as a list of PointRecord.
//parameters.StoreIDField = "STORE_ID";
             
// Optionally restrict analysis to ExtendData object specified with myExtent.
//parameters.AnalysisExtent = myExtent;
             
// Set rings radii.
parameters.Radii = new List<double>(){ 1, 3, 5 };
             
// esriUnits.esriMiles is the default value for DistanceUnits.
//parameters.DistanceUnits = esriUnits.esriMiles;
             
// false is the default value for Donut.
//parameters.Donut = false;
             
// Set report options.
ReportOptions options = new ReportOptions("PDF", "Age by Income Profile");
options.Header = new ReportHeader("1-3-5 mile Ring Study Areas");
parameters.ReportOptions = new List<ReportOptions>(){ options };
             
simpleRingsTask.ExecuteAsync(parameters, new AsyncResponder(resultHandler, faultHandler));