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_variant_t Class

Microsoft Specific

A _variant_t object encapsulates the VARIANT data type. The class manages resource allocation and deallocation and makes function calls to VariantInit and VariantClear as appropriate.

Construction

_variant_t

Constructs a _variant_t object.

Operations

Attach

Attaches a VARIANT object into the _variant_t object.

Clear

Clears the encapsulated VARIANT object.

ChangeType

Changes the type of the _variant_t object to the indicated VARTYPE.

Detach

Detaches the encapsulated VARIANT object from this _variant_t object.

SetString

Assigns a string to this _variant_t object.

Operators

Operator =

Assigns a new value to an existing _variant_t object.

operator ==, !=

Compare two _variant_t objects for equality or inequality.

Extractors

Extract data from the encapsulated VARIANT object.

Requirements

Header: comutil.h

Lib: comsuppw.lib or comsuppwd.lib (see /Zc:wchar_t (wchar_t Is Native Type) for more information)

See Also

Reference

Compiler COM Support Classes