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Delphi: Variant versus OleVariant (via: RAD Studio API Documentation)

The Wiert Corner – I used to forget about the difference between Variant and OleVariant, and used them like this: Use OleVariants for OLE, and Variants for non OLE. There is no need to manually clear them. Luckily I was right, as the differences are documented in the Delphi on-line help at OLE-compatible Variant type (the oldest I could find was the Delphi 2010 OleVariant documentation): OleVariant is an OLE-compatible Variant. The main difference between Variant and OleVariant is that Variant can contain data types that only the current application knows what to do with. OleVariant can only contain data types ...
Favorite? Off-Topic? Jeroen Pluimers @ 2014-07-16 07:00


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