ProcessAsync() public method

${iServerJava6R_DatasetBufferAnalystService_method_ProcessAsync_D}
public ProcessAsync ( DatasetBufferAnalystParameters parameters ) : void
parameters DatasetBufferAnalystParameters
return void
 private void DatasetBufferAnalyst_Click(object sender, RoutedEventArgs e)
 {
     DatasetBufferAnalystParameters param = new DatasetBufferAnalystParameters
     {
         BufferSetting = new BufferSetting
         {
             EndType = BufferEndType.ROUND,
             LeftDistance = new BufferDistance 
             {
                 Value =Convert.ToDouble(MyTextBox.Text)
             },
             SemicircleLineSegment = 12,
             
         },
         FilterQueryParameter = new SuperMap.Web.iServerJava6R.FilterParameter
         {
             AttributeFilter = "SmID=19"
         },
         Dataset = "Landuse_R@Jingjin",
         
     };
     DatasetBufferAnalystService datasetBufferAnalyst = new DatasetBufferAnalystService(url2);
     datasetBufferAnalyst.ProcessAsync(param);
     datasetBufferAnalyst.Failed += new EventHandler<ServiceFailedEventArgs>(datasetBufferAnalyst_Failed);
     datasetBufferAnalyst.ProcessCompleted += new EventHandler<DatasetBufferAnalystArgs>(datasetBufferAnalyst_ProcessCompleted);
 }
        //数据集缓冲
        private void datasetBuffer_Click(object sender, RoutedEventArgs e)
        {
            var bufferAnalystParams = new DatasetBufferAnalystParameters
            {
                BufferSetting = new BufferSetting
                {
                    EndType = BufferEndType.ROUND,
                    LeftDistance = new BufferDistance
                    {
                        Value = 50000
                    },
                    RightDistance = new BufferDistance
                    {
                        Value = 50000
                    },
                    SemicircleLineSegment = 4
                },
                Dataset = "SamplesP@Interpolation",

                IsAttributeRetained = false,
                //IsOverwrite = true,
                //IsReturnRecordset = true,
                IsUnion = true,
                MaxReturnRecordCount = 10000,
                //ResultDatasetName = "aa@Interpolation"
            };

            var datasetBufferAnalyst = new DatasetBufferAnalystService(url);
            datasetBufferAnalyst.ProcessAsync(bufferAnalystParams);
            datasetBufferAnalyst.ProcessCompleted += new EventHandler<DatasetBufferAnalystArgs>(datasetBufferAnalyst_ProcessCompleted);
            datasetBufferAnalyst.Failed += new EventHandler<SuperMap.Web.Service.ServiceFailedEventArgs>(datasetBufferAnalyst_Failed);
        }