IMHO if the engine is sophisticated enough to detect if users point to empty space within a group, then it can also decide if the group tooltip should be shown (or not). Besides, if a group contains a large number of objects, and if the content of the tooltip must be changed on the fly (according to the most recent user action for instance), then changing the tooltip of all objects within the group takes more time than changing the tooltip of the group only...
For me this is pretty much a non-issue. I routinely solve this problem by placing a transparent button or empty image object behind everything else. Make it layer 1 in the group. That way, objects on top of it which have tooltips will respond with their own tip. Spaces between objects respond with the layer-1 object tooltip. It's a very easy fix and doesn't require any engine changes or even any scripting.
-- Jacqueline Landman Gay | [EMAIL PROTECTED] HyperActive Software | http://www.hyperactivesw.com
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