>
> We have VFP COM server for sharing data with an application written in Borland C++ Builder.
> C++ Builder application can see any native VFP properties but no custom properties. Visual
> Basic app can see and use all custom COM properties. We don't know how to declare custom
> properties in VFP to be visible (usable) in C++ builder application.
>

Are You simply not seeing the properties or are You *also* not able to address them.

Did You play with (and use) the _COMATTRIB - settings for Your properties. there You can set wether a property is browsable, readOnly etc.