Bill,

Do you've DODEFAULT() or '::' in the subclass Destroy event? IIRC, it could case such error.

>I'm using VFP 7.0
>I have a hidden property that disappears before the Destroy() method during runtime.
>

>Define class myClass ...
>  hidden oControl_Next
>
>  Procedure Destroy()
>    this.oControl_Next = .null.        << "property oControl_Next not found" in runtime
>EndDefine
>

>class works fine during development, just in runtime it crashes.
>
>If I change the property to protected, then it works in runtime also.
>
>I've verified that the property is not used anywhere in any subclasses.
>
>TIA