Creando clases con Interceptores

Cliente.cs

Generator.CreateClassProxy<ServicioWeb>(new ErrorLoggingInterceptor());

ErrorLoggingInterceptor.cs

public class ErrorLoggingInterceptor : IInterceptor
{
  public void Intercept(IInvocation invocation)
  {
    try
    {
      invocation.Proceed();
    }
    catch (Exception exception)
    {
      // loggear
      throw exception;
    }
  }
}