private void btnCallHttpDual_Click(object sender, EventArgs e)
{
try
{
System.ServiceModel.InstanceContext site = new System.ServiceModel.InstanceContext(new EchoServiceCallbackHandler());
asyncClient = new EchoServiceClient(site, "dualHttpEndPoint");
this.txtStatus.Text += String.Format("Connected...{0}\r\n", asyncClient.Endpoint.Address.Uri.AbsoluteUri);
// invoke service operation
this.txtStatus.Text += String.Format("Invoking Duplex endpoint: AsyncEchoJob1\r\n");
asyncClient.EchoJobStart("AsyncEchoJob1");
}
catch (TimeoutException timeProblem)
{
this.txtStatus.Text += String.Format("The service operation timed out....{0}\r\n", timeProblem.Message);
asyncClient.Abort();
}
catch (System.ServiceModel.CommunicationException commProblem)
{
this.txtStatus.Text += String.Format("There was a communication problem....{0}\r\n", commProblem.Message);
asyncClient.Abort();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
this.txtStatus.Text += String.Format("--------------------------------------\r\n");
}
}
