>I've noticed an unexpected (for me) behaviour of default methods accessing hidden properties of the class.
>When instantiated object calls the method directly (for example - default event response) everything works fine. But if I call it by DODEFAULT - the same code does not see the hidden properties, causing an error of course.
>So - what are the hidden properties for?

Andrzej,

You are expecting the Hidden visibility to work exactly as it should, however in VFP 3.0 and 5.0 the Hidden visibility is broken and is essentially useless because of exactly what you have described.

At this point we can only hope that this problem will be fixed in the next release.