Yes you have to change code, all reference to IBDataset has to be changed to
IBODataset.
There is a freeware utility that simplifies this work: BK Replace from
www.orbit.org/replace, which replace all the .pas and .dfm into all subdir's
of your project.
In my own atribulated process of porting the code from 3.6 to 4.0, in this
moment i only have one problem: i can't apply the method Refresh to
TIBOTable, in places where 3.6 did not complain.

Carlos Ma��o
Portugal

""Burak OZLER"" <burak.ozler@...> wrote in message
news:002c01c10de0$699b37e0$2464a8c0@......

> Will the new version of IBO compatible with 3.x ?
>
> Will we have to change code for the upgrade?
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> Thanks
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> Burak
>
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