创建时在Windows服务中加载的全局数据需要由WCF dll访问

Question

我有一个由Windows服务包装的WCF dll（使用net.tcp绑定），我希望在可以从dll中访问的OnStart期间加载服务中的全局数据。这可能很简单，但我没有看到它。有什么建议？

namespace MyApp
    {
        [ServiceContract]
        public interface IMyApp
        {   
            [OperationContract]
             bool Export(MyObj obj);  // omitted definition of myObj for brevity
        }

        [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)]
        class MyWCF : IMyApp
        {
            public bool Export(MyObj obj) 
            { 
            bool bResult;
                string sExportPath = GlobalObject.GetEnvironmentPath(obj.Env); //GlobalObject class is defined within this namespace

            bResult = RetrieveDocument(obj.ID, sExportPath);    
                return bResult;
            }
        }
    }

    ------------------------- windows service  ------------------------------
    using MyApp;

    namespace MyService
    {
        public partial class MyService: ServiceBase
        {
            internal static ServiceHost objServiceHost = null;


            public MyService()
            {
                InitializeComponent();
            }

            protected override void OnStart(string[] args)
            {
                if (objServiceHost != null)
                    objServiceHost.Close();

                bServiceStopped = false;
                objServiceHost = new ServiceHost(typeof(MyWCF));
                objServiceHost.Open();


                Trace.TraceInformation("Load globaldata");
                if (!GlobalObject.LoadGlobalData()))
                {
                    Log("Failure attempting to Load Global Data...");

                    var controller = new System.ServiceProcess.ServiceController("MyService");
                    controller.Stop();

                }
            }

        }

    }