Combo Box - disable specific values

Need some direction ……..

Is there a way to disable values within a drop down list while letting the other values remain enabled?

Thanks!

Michael Gross

Blue Heron Consulting
90 Airpark Dr, Suite 200
Rochester, NY 14624
www.BlueHeron-Consulting.com
Office: 800-253-3449 / 585-464-8035 (x207)
Fax:    800-464-9901 / 585-464-9760