title	_variant_t Class
ms.date	11/04/2016
f1_keywords	_variant_t
helpviewer_keywords	_variant_t class [C++], operators _variant_t class _variant_t class [C++], member functions VARIANT object VARIANT object [C++], COM encapsulation
ms.assetid	6a3cbd4e-0ae8-425e-b4cf-ca0df894c93f

_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.

END Microsoft Specific

Requirements

Header: <comutil.h>

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

See also

Compiler COM Support Classes