I'm not sure of the exact circumstances you're working under, but the Instancing options, found under Project Info, may help. You can make a COM component non-creatable (which really means, creatable only by other VFP components). I haven't had much occasion to use this option, but it may help in this case.
The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts. - Bertrand Russell