Am 21.03.2013 12:07, schrieb Benito van der Zander:

The GUID is also necessary if you want to have "as" and "is" support.
It is?
I have been using interfaces without GUID and as/is works fine.
At least as/is Tsomeclass
That's because to support "Intf as/is ClassType" internally a hardcoded interface GUID is used which is handled especially by "TObject.GetInterface".

Regards,
Sven

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