This document summarizes remoting in C#, which allows for distributed communication between applications. Remoting uses interfaces to distribute only method declarations across a network. A remoting application requires three components: a class library with the remoting interface, a server application that implements the interface, and a client application that calls methods on the server. The server registers its remoting object, and the client uses channels to connect to and call methods on the remote object hosted by the server.

1. C# Tutorial
Part 36: Remoting
www.siri-kt.blogspot.com

2. • Remoting:
• This is the distributed technology. using remoting without internet
connection with in the LAN we can communicate between client to
server and server to client. ex: vb 6.0-DCOM(distributed common
object model)
• Java-RMI(remote method invocation)
• In remoting we can distribute only method declarations ie
interface. Remoting is used to create communication in the network.
Microsoft assigned these features in the
• 1.system.Runtime.Remoting
• 2.System.Runtime.Remoting.Channels
• 3.System.Runtime.Remoting.Channels.Tcp or Http
• In each Remoting application we have to implement 3 different
application.
• 1.class Library(private assembly)
• 2.server application
• 3.client application

3. • 1.class library:
• The remoting is distributed technology. we have to
distribute private
• assembly dll file features in the all remoting
applications.
• 2.server application:
• In the server application we have to implement
private assembly interface methods the server
application having 2 base classes

4. • 1.MarshalByRefObject
• 2.interface
• 3.client application:
• using client application we have to catch server machine
channel. we have to call server machine class interface
methods.
• Example on Remoting: we can develop remoting
application following 3 steps
• step 1:implementing class library project
• step 2:implementing server application
• step 3:implementing client application

5. • step 1:implementing class library:
• 1.open vs-2012
• 2.file -new-project-classlibrary-ok
• source code:
• public interface emp
• { void fromclient(string r);
• string fromserver();
• }
• goto-build-build solution-classlibrary.dll

6. • Step 2:implementing server Application
• 1.take the form
• 2.add 2 textboxes
• 3.add 1 button
• 4.add 1 timer control
• goto-textbox1-properties-font=24,multilne=true
• goto-timer-properties-enabled=true,interval=1000
• source code:
• using System.Runtime.Remoting;
• using System.Runtime.Remoting.Channels;
• using System.Runtime.Remoting.Channels.Tcp;
• using implementingclasslibrary;
• static string ss, rr;
• class serapp : MarshalByRefObject, emp
• { public void fromclient(string r)
• { rr = r; }

7. • public string fromserver()
• { return ss; }
• }
• private void button1_Click(object sender, EventArgs e)
• { ss = textBox2.Text; }
• private void timer1_Tick(object sender, EventArgs e)
• { textBox1.Text = rr; }
• private void Form1_Load(object sender, EventArgs e)
• { TcpServerChannel cha = new
TcpServerChannel(9040);
• ChannelServices.RegisterChannel(cha, false);
•
RemotingConfiguration.RegisterWellKnownServiceType(typeo
f(serapp),"ref",WellKnownObjectMode.SingleCall); }

8. • step 3:
• implementing client application:
• 1.take the form
• 2.add 2 textboxes
• 3.add 1 button
• 4.add 1 timer control
• goto-textbox1-properties-font=24,multilne=true
• goto-timer-properties-enabled=true,interval=1000

9. • using System.Runtime.Remoting;
• using System.Runtime.Remoting.Channels;
• using System.Runtime.Remoting.Channels.Tcp;
• using implementingclasslibrary;
• emp rm;
• private void Form1_Load(object sender, EventArgs e)
• { rm = (emp)Activator.GetObject(typeof(emp),
"tcp://localhost:9040/ref"); }
• private void button1_Click(object sender, EventArgs e)
• { rm.fromclient(textBox2.Text); }
• private void timer1_Tick(object sender, EventArgs e)
• { textBox1.Text = rm.fromserver(); }
• o/p:first run the server application after run the client
application but message is passing through client to server

10. For more visit our website www.siri-kt.blogspot.com
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