>James-
>
>If you really need to get at the already open table, you could have a open table registry in your application object where tables are registered as opened when they are opened. But, AUSED is very much the way I would do what you are talking about.
>
>I can think of one contingency you might want to consider: if you are using views, the base tables for views will also be in the AUSED array. Whether that affects your design or not, I don't know.
>
>>So I can search for a table that might be already open under another alias. If there is a quicker way to do this besides looping through all the used workareas, I would certainly like to know it.

Another matter - AUsed() should, AFAIK, give the tables used in the current datasession. Now, let's take this a bit further: how do we determine the highest DataSessionID across all the DataEnvironment objects or Session objects, or just forms with private datasessions without DEs?