SuperMap.Web.iServerJava6R.SpatialAnalyst.SurfaceAnalystService.ProcessAsync C# (CSharp) Method

        public void ProcessAsync(SurfaceAnalystParameters  surfaceAnalystParams)
        {
            ProcessAsync(surfaceAnalystParams, null);
        }

 private void datasetsIsoline_Click(object sender, RoutedEventArgs e)
 {
     DatasetSurfaceAnalystParameters param = new DatasetSurfaceAnalystParameters
     {
         Dataset = "SamplesP@Interpolation",
         SurfaceAnalystMethod = SurfaceAnalystMethod.ISOLINE,
         ZValueFieldName = "AVG_TMP",
         Resolution = 3000,
         ParametersSetting= new SurfaceAnalystParametersSetting
         { 
             ResampleTolerance = 0.7,
             SmoothMethod = SmoothMethod.BSPLINE,
             DatumValue = Convert.ToDouble(MyTextBox1.Text),
             Interval = Convert.ToDouble(MyTextBox2.Text),
             Smoothness = 3
         },
     };
     SurfaceAnalystService datasetIsolineService = new SurfaceAnalystService(url2);
     datasetIsolineService.ProcessAsync(param);
     datasetIsolineService.ProcessCompleted += new EventHandler<SurfaceAnalystEventArgs>(datasetIsolineService_ProcessCompleted);
     datasetIsolineService.Failed += new EventHandler<ServiceFailedEventArgs>(datasetIsolineService_Failed);
 }