Base component for ownerdraw with focus

Which component, in BCB5 Pro, would provide the best base for an ownerdrawn
component that can receive focus, i.e. basically a canvas with the 3-D
borders that can receive keyboard input.

I 'tweaked' a regular combo-box with OK results but would just like to know
if there is a component better suited for this job.

Goran Ekstrom
Combinova AB