gridlist in combo

Hi is it possible and if so, how do you display multiple values per line in combo box list.

Basically when clicking on the drop down arrow I want the list to expand so you can see two or more values per line displayed in a grid-like fashion

For example:



Obviously I’d like formatted like a grid cells so that it has a cosmetic structure.

Combo is designed to perform text values. It is possible to place html values into combo - but there are not any special methods for that: