I don't think that is possible, however, you can create a builder for the control and add your property setting combobox there.
Check out Ken Levy's site www.classx.com for a builder builder that works really great.
>Hello David.
>Hello Nick.
>I think,I not correctly have formulated the question. I want to make that values of properties of the user defined class in the "Properties"(Form Designer) window represented as combobox with defined values.
>For an example as standard property for a Form object "BorderStyle"
>0 - No border
>1 - Fixed single etc.
>Denis