privatevoid button2_Click(object sender, EventArgs e)
        {
            // LiveSearchService implements IDisposable.
            using (LiveSearchPortTypeClient service = new LiveSearchPortTypeClient())
            {
                try
                {
                    SearchRequest request = BuildRequestWeb();

                    // Send the request; display the response.
                    SearchResponse response = service.Search(request);
                    DisplayResponseWeb(response);
                }
                catch (System.Net.WebException ex)
                {
                    // An exception occurred while accessing the network.
                    Console.WriteLine(ex.Message);
                }
            }
        }

        private SearchRequest BuildRequestWeb()
        {
            SearchRequest request = new SearchRequest();

            // Common request fields (required)
            request.AppId = AppId;
            request.Query = "馬寧";
            request.Sources = new SourceType[] { SourceType.Web };

            // Common request fields (optional)
            request.Version = "2.0";
            request.Market = "en-us";
            request.Adult = AdultOption.Moderate;
            request.AdultSpecified = true;
            request.Options = new SearchOption[]
            {
                SearchOption.EnableHighlighting
            };

            // Web-specific request fields (optional)
            request.Web = new WebRequest();
            request.Web.Count = 30;
            request.Web.CountSpecified = true;
            request.Web.Offset = 0;
            request.Web.OffsetSpecified = true;
            request.Web.Options = new WebSearchOption[]
            {
                WebSearchOption.DisableHostCollapsing,
                WebSearchOption.DisableQueryAlterations
            };

            return request;

        }

        private void DisplayResponseWeb(SearchResponse response)
        {
            // Display the results header.
            listBox1.Items.Add("Bing API Version " + response.Version);
            listBox1.Items.Add("Web results for " + response.Query.SearchTerms);
            listBox1.Items.Add(string.Format("Displaying {0} to {1} of {2} results",
                response.Web.Offset + 1,
                response.Web.Offset + response.Web.Results.Length,
                response.Web.Total));

            // Display the Web results.
            System.Text.StringBuilder builder = new System.Text.StringBuilder();
            foreach (WebResult result in response.Web.Results)
            {
                builder.Length = 0;
                builder.AppendLine(result.Title);
                builder.AppendLine(result.Description);
                builder.AppendLine(result.Url);
                builder.Append("Last Crawled: ");
                builder.AppendLine(result.DateTime);

                listBox1.Items.Add(builder.ToString());
                Console.WriteLine();
            }
        }