ABCpdf .NET is compatible with ABCpdf for ASP. It incorporates all the ABCpdf features in a package practically identical to the original. So if you've been using ABCpdf under .NET it's easy to migrate to ABCpdf .NET.
ABCpdf .NET adds extra features to allow simple interaction with the .NET environment using standard .NET structures and classes. If you want to mix and match .NET drawing classes with ABCpdf .NET you can now do this simply and easily.