共用方式為

_variant_t::Attach

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Microsoft Specific

Attaches a VARIANT object into the _variant_t object.

void Attach(
   VARIANT& varSrc 
);

Parameters

  • varSrc
    A VARIANT object to be attached to this _variant_t object.

Remarks

Takes ownership of the VARIANT by encapsulating it. This member function releases any existing encapsulated VARIANT, then copies the supplied VARIANT, and sets its VARTYPE to VT_EMPTY to make sure its resources can only be released by the _variant_t destructor.

END Microsoft Specific

See Also

Reference

_variant_t Class