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POPass to my form WCF client message
 

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    <p>I have <code>Winforms</code> application that host <code>WCF</code> service. this is my <code>Button connect event</code>:</p> <pre><code>private void btnConnect_Click(object sender, EventArgs e) { try { // Returns a list of ipaddress configuration IPHostEntry ips = Dns.GetHostEntry(Dns.GetHostName()); // Get machine ipaddress IPAddress _ipAddress = IPAddress.Parse(tbServerIp.Text); // Create the url that is needed to specify where the service should be started urlService = "net.tcp://" + _ipAddress.ToString() + ":8000/MyService"; // Instruct the ServiceHost that the type that is used is a ServiceLibrary.service1 host = new ServiceHost(typeof(ServiceLibrary.service1)); host.Opening += new EventHandler(host_Opening); host.Opened += new EventHandler(host_Opened); host.Closing += new EventHandler(host_Closing); host.Closed += new EventHandler(host_Closed); // The binding is where we can choose what transport layer we want to use. HTTP, TCP ect. NetTcpBinding tcpBinding = new NetTcpBinding(); tcpBinding.TransactionFlow = false; tcpBinding.Security.Transport.ProtectionLevel = System.Net.Security.ProtectionLevel.EncryptAndSign; tcpBinding.Security.Transport.ClientCredentialType = TcpClientCredentialType.Windows; tcpBinding.Security.Mode = SecurityMode.None; // &lt;- Very crucial // Add a endpoint host.AddServiceEndpoint(typeof(ServiceLibrary.IService1), tcpBinding, urlService); // A channel to describe the service. Used with the proxy scvutil.exe tool ServiceMetadataBehavior metadataBehavior; metadataBehavior = host.Description.Behaviors.Find&lt;ServiceMetadataBehavior&gt;(); if (metadataBehavior == null) { // This is how I create the proxy object that is generated via the svcutil.exe tool metadataBehavior = new ServiceMetadataBehavior(); metadataBehavior.HttpGetUrl = new Uri("http://" + _ipAddress.ToString() + ":8001/MyService"); metadataBehavior.HttpGetEnabled = true; metadataBehavior.ToString(); host.Description.Behaviors.Add(metadataBehavior); urlMeta = metadataBehavior.HttpGetUrl.ToString(); //pbIndicator.Image = Resources.indicator_green; btnConnect.BackColor = Color.Red; btnConnect.Text = "Stop"; } host.Open(); } catch (Exception ex) { MessageBox.Show(ex.StackTrace); } } </code></pre> <p>And this is my ServiceLibrary:</p> <pre><code>namespace ServiceLibrary { public delegate void StatusEventHandler(string srt); [ServiceContract()] public interface IService1 { [OperationContract] string MyOperation1(string myValue); [OperationContract] string MyOperation2(DataContract1 dataContractValue); [OperationContract] string HelloWorld(string str); } public class service1 : IService1 { public event StatusEventHandler StartEvent; public string MyOperation1(string myValue) { return "Hello: " + myValue; } public string MyOperation2(DataContract1 dataContractValue) { return "Hello: " + dataContractValue.FirstName; } public string HelloWorld(string str) { StartEvent(str); //return "Helloworld from " + str; } } [DataContract] public class DataContract1 { string firstName; string lastName; [DataMember] public string FirstName { get { return firstName; } set { firstName = value; } } [DataMember] public string LastName { get { return lastName; } set { lastName = value; } } } } </code></pre> <p>What i want to do is to pass the client message from <code>HelloWorld function</code> to my main form, so i try to create event inside <code>class service1</code>:</p> <pre><code>public delegate void StatusEventHandler(string srt); public event StatusEventHandler StartEvent; </code></pre> <p>but it remained null even after registered from my main form (inside my button click event) What is the simplest way to achieve that ?</p>
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