HELP: Delegates to interface methods

[Sparky74]

Hi Everyone. I have an interface:

namespace SharedInterfaces
{
  public interface ICommunicationService
  {
    void SaySomething( String pText );
  }
}

What I'm trying to do is implement a wrapper that calls the SaySomething() method on a worker thread which will abort the thread if it takes too long.

public delegate void MyFunc( String s );
...
public ICommunicationService  obj;

obj = ( ICommunicationService ) 
            Activator.GetObject( typeof( ICommunicationService ),
                                 "ipc://IPChannelName/PaulStuff" );

// The below line won't work..
public MyFunc f = obj.SaySomething;

Does anybody know how I can get a generic delegate (function pointer) to point to one of my interface methods?

Thanks
Paul