> IBO is smart enough to detect if a dataset is not updatable (e.g. select

distinct ....).

>
> For a consistent user interface I would like use IB_Updatebar for firing

an insert/update statement. I only need an enabled bar button to catch
needed event and handle it by myself.

>
> Is it feasable and if so how?

I fail to recognize what you need that IBO doesn't provide for you. You can
override a button's action using the BeforeAction event and then calling
Abort so that the rest of it will not take place. You can also assign your
own custom glyphs.

Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com