WCF帮助类

 using BJSW.ZTFX.Client.Silverlight.MapBusinessService;
 using System.ServiceModel;
 using System.SL.Application;
 using System.Windows;

 namespace BJSW.ZTFX.Client.Silverlight.Common
 {
     public class WCFHandler : WCFHelper
     {
         public static string WCF_URL = "http://localHost:8012/";

         /// <summary>
         /// 地图业务数据（预警信息，雨情信息，河道水情，水库水情）
         /// </summary>
         /// <returns></returns>
         public static MapBusinessDataClient GetMapBusinessDataClient()
         {
             if (Application.Current.IsRunningOutOfBrowser)
                 return new MapBusinessDataClient(GetBindHttp("BasicHttpBinding_MapBusinessData"), new EndpointAddress(WCF_URL + "MapBusinessData.svc"));
             else
                 return new MapBusinessDataClient(GetBindHttp("BasicHttpBinding_MapBusinessData"), new EndpointAddress(WCF_URL + "MapBusinessData.svc"));

         }
     }
 }

 using System.Collections.Generic;
 using System.ServiceModel;
 using System.ServiceModel.Channels;
 using System.Text;

 namespace System.SL.Application
 {
     /// <summary>
     /// 生成WCF的代理客户端
     /// @create date：2010/4/25
     /// </summary>
     public abstract class WCFHelper
     {
         public static string URL;
         protected static BasicHttpBinding _BindHttp;
         protected static CustomBinding _BindCustom;
         static WCFHelper()
         {
             _BindHttp = new BasicHttpBinding()
             {
                 MaxReceivedMessageSize = ,
                 MaxBufferSize = ,
                 CloseTimeout = TimeSpan.FromMinutes(),
                 OpenTimeout = TimeSpan.FromMinutes(),
                 ReceiveTimeout = TimeSpan.FromMinutes(),
                 SendTimeout = TimeSpan.FromMinutes(),
                 TextEncoding = Encoding.UTF8,
                 TransferMode = System.ServiceModel.TransferMode.Buffered,
                 Name = "temp_http"
             };

             var elements = new List<BindingElement>();
             elements.Add(new BinaryMessageEncodingBindingElement());
             elements.Add(new HttpTransportBindingElement() { MaxReceivedMessageSize = , MaxBufferSize =  });
             _BindCustom= new CustomBinding(elements)
             {
                 ReceiveTimeout = TimeSpan.FromMinutes(),
                 SendTimeout =  TimeSpan.FromMinutes(),
                 OpenTimeout = TimeSpan.FromMinutes(),
                 CloseTimeout = TimeSpan.FromMinutes(),
                 Name = "temp_custom"
             };
         }

         #region 生成客户端Bind
         protected static BasicHttpBinding GetBindHttp()
         {
             return _BindHttp;
         }
         protected static BasicHttpBinding GetBindHttp(string bindingName)
         {
             _BindHttp.Name = bindingName;
             return _BindHttp;
         }

         protected static CustomBinding GetBindCustom()
         {
             return _BindCustom;
         }
         protected static CustomBinding GetBindCustom(string bindingName)
         {
             _BindCustom.Name = bindingName;
             return _BindCustom;
         }
         #endregion

         #region 生成WCF客户端代理
         public static T GetWCFClient<T>() where T : new()
         {
             return new T();
         }
         #endregion
     }
 }

也可以不用设置地址

using EasySL.UI.MapAlyRef;
using EasySL.UI.MapBusinessService;
using System.ServiceModel;
using System.SL.Application;
using System.SL.Map;
using System.Windows;

namespace EasySL.UI.Common
{
    public class WCFHandler : WCFHelper
    {
        public static string WCF_URL = "http://localhost/EasySL.Web/WCF/";

        /// <summary>
        /// 地图业务数据（预警信息，雨情信息，河道水情，水库水情）
        /// </summary>
        /// <returns></returns>
        public static MapBusinessDataClient GetMapBusinessDataClient()
        {
            if (Application.Current.IsRunningOutOfBrowser)
                return new MapBusinessDataClient(GetBindHttp("BasicHttpBinding_MapBusinessData"), new EndpointAddress("../WCF/MapBusinessData.svc"));
            else
                return new MapBusinessDataClient(GetBindHttp("BasicHttpBinding_MapBusinessData"), new EndpointAddress("../WCF/MapBusinessData.svc"));

        }

        /// <summary>
        /// 等值分析
        /// </summary>
        /// <returns></returns>
        public static MapAlyClient GetMapAlyClient()
        {
            return new MapAlyClient(GetBindHttp("BasicHttpBinding_MapBusinessData"), new EndpointAddress(MapCfgHelper.BaseMapInfo.MapAnalysisUrl));
        }
    }
}

调用

  var client = WCFHandler.GetMapBusinessDataClient();
             //MapBusinessDataClient client = new MapBusinessDataClient();
             client.OpenAsync();
             client.QueryZQaccpCompleted += (s, e) =>
             {
                 try
                 {
                     if (e.Error == null && e.Result != null)
                     {
                         if (e.Result.Count == )
                         {
                          }
                    }
                 }
                 catch (Exception ex)
                 {
                     MessageBox.Show(ex.ToString());
                 }
             };
             client.QueryZQaccpAsync(View.BTime, View.ETime, View.type);
             client.CloseAsync();