You're right--that's odd < g >
You would probably want to have a custom property to replace ENABLED (say, myEnabled). And then return this.myEnabled in the When method.
You would manage myEnabled like you would enabled. But, then of course, the user has no visual clue the button is disabled...

>I have a couple of command buttons on a form that get 'disabled'. As odd as it sounds, I don't want to loose the colors in the buttons' picture when these buttons are 'disabled'.
...snip