Maybe it is contradictory to your original design, but what actually is needed in my case of ActiveX is just drawing ( the string and X,Y coordinates for baloon help are provided , but in this case probably it's my responsibility to kill it on mouse leave/mouse click or keypress which requires another function FoxGUI_KillToolTip )

>My question is whether it would be possible ( or already possible ) to attach tooltip to subclassed Activex which has an added property ctooltiptext.

The problem with ActiveX controls is, that they don't have a MouseEnter() event. Putting continous calls to the fll in MouseMove() messes things up. I will have a look at this issue in the second half of September, since my workload doesn't allow me to do more than the necassary project stuff right now. I hope this won't be too late for you ...