public void Test_StopAdvise_Before_StartAdvise()
 {
     using (TestServer server = new TestServer(ServiceName))
     {
         server.Register();
         server.SetData(TopicName, ItemName, 1, Encoding.ASCII.GetBytes(TestData));
         using (DdeClient client = new DdeClient(ServiceName, TopicName))
         {
             client.Connect();
             client.StopAdvise(ItemName, Timeout);
         }
     }
 }