> Are you using tqt3? > I suspect the issue lies in the QVariant::nameToType method: > it fails to recognize the tqt type names (TQ*) returning > QVariant::Invalid. Yes, I am using TQt3. I haven't built anything against Qt3 in quite a while. There are minor build issues using either. Have you tried rebuilding from the beginning (I am presuming you are using GIT and not 3.5.13)? Darrell