public void Test_EndExecute_After_Dispose() { using (TestServer server = new TestServer(ServiceName)) { server.Register(); using (DdeClient client = new DdeClient(ServiceName, TopicName)) { client.Connect(); IAsyncResult ar = client.BeginExecute(TestData, null, null); Assert.IsTrue(ar.AsyncWaitHandle.WaitOne(Timeout, false)); client.Dispose(); client.EndExecute(ar); } } }