# Proxy subclass: unable to implement interface

**URL:** https://forum.kirupa.com/t/proxy-subclass-unable-to-implement-interface/285050
**Category:** flash
**Created:** [March 26, 2009, 2:54pm UTC](https://forum.kirupa.com/t/proxy-subclass-unable-to-implement-interface/285050 "2009-03-26T14:54:48Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![wvxvw](https://avatars.discourse-cdn.com/v4/letter/w/a9a28c/32.png) [@wvxvw](https://forum.kirupa.com/u/wvxvw)
#### Post date: [March 26, 2009, 2:54pm UTC](https://forum.kirupa.com/t/proxy-subclass-unable-to-implement-interface/285050/1 "2009-03-26T14:54:48Z")

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Basically, what I want is to have a class that:

- extends Proxy.
- implements IEventDispatcher.
- has _property_ “addEventListener” (it will also have this method).  
or at least will trigger getProperty as a fallback when somebody tries to improperly access addEventListener…