>I generate HTML on the fly using VFP code and then display it in the Browser window (from C++ application).
>Here is some relevant HTML button. How can I make it conditionally disabled:

I see Rob has provided some info on this.

As this is another topic, I would suggest, for next time, to create another thread. Also, when putting code in PRE tag, you might want to force some carriage returns as that one was very long.