[AttributeUsage(ValidOn=AttributeTargets.Method, 
   AllowMultiple=true, 
   Inherited=true)]
public class AfterSetAttribute : PropertyInterceptorAttribute, System.Runtime.InteropServices._Attribute  

public partial class Customer {

  // Sample signatures for a AfterSet method for any Customer property
  // (invoked for both simple and navigation properties).
  // Additional signatures are possible.

  // Although you can change args.Value in an AfterSet method, the backing store
  // is not modified, but the modified value will be passed to subsequent AfterSet actions.
  // Setting args.Cancel in an AfterSet also does not affect the backing store,
  // but does stop subsequent actions from being executed.

  // Signature 1 - accept a property value and return a property value.
  // Any value returned is passed to next action but does not affect the 
  // backing store.
  [AfterSet]
  public object AfterSetAnyCustomerProperty1(object value) {
    Console.WriteLine("After setting a customer property 1");
    return value;
  }

  // Signature 2 - accept a property value, but no return value.
  [AfterSet]
  public void AfterSetAnyCustomerProperty2(object value) {
    Console.WriteLine("After setting a customer property 2");
  }

  // Signature 3 - accept base IPropertyInterceptorArgs.
  // Allows you to cancel further actions and modify the Value.
  // No property information available.
  [AfterSet]
  public void AfterSetAnyCustomerProperty3(IPropertyInterceptorArgs args) {
    Console.WriteLine("After setting a customer property 3");
  }

  // Signature 4 - accept EntityProperty interceptor arguments.
  // The arguments passed allow you to determine the property retrieved
  // and to cancel further actions. 
  [AfterSet]
  public void AfterSetAnyCustomerProperty4(IEntityPropertySetInterceptorArgs args) {
    Console.WriteLine("After setting a customer property 4");
  }

  // Signature 5 - accept strongly-typed IPropertyInterceptorArgs.
  // Same features as IPropertyInterceptorArgs but Instance is now strongly-typed.
  [AfterSet]
  public void AfterSetAnyCustomerProperty5(IPropertyInterceptorArgs<Customer, object> args) {
    Console.WriteLine("After setting a customer property 5");
  }
}