> [EMAIL PROTECTED] (Marco van de Voort) wrote: > > > > I have a function that will receive a Handle. That handle could be a > > > pointer to a structure, or a object. Is there any safe way to > > > discover it's nature? > > > > No you can't. > > > > > The following code will work when the Handle is an Object or nil, > > > but will crash the application when the Handle is a structure: > > > > It is not even 100% save for that, some systems use other values > > instead of nil/0. > > For example?
Admitted, the examples I know are not-protected mode systems with rom or a zp on address 0. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
