> Hi
> In Don Box's Essential Com, he says variant in VB is a
> discriminated union. That mean u have to say the type of the values stored
> in the variant at parameter definition type. That means variants can store
> only one type at a time. Is it true

Yes. A variant is just a way of packaging many types into a single form that
is understood by the standard marshaller, and allows VB to pass a type to a
function whose actual form is not known until runtime. Why should it hold
more than a single type at once?

Ximon Eighteen

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