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InitVariantFromGUIDAsBuffer function

Initializes a VARIANT structure based on a GUID. The structure is initialized as VT_ARRAY | VT_UI1.

Syntax


HRESULT InitVariantFromGUIDAsBuffer(
  _In_   REFGUID guid,
  _Out_  VARIANT *pvar
);

Parameters

guid [in]

Type: REFGUID

Reference to the source GUID.

pvar [out]

Type: VARIANT*

When this function returns, contains the initialized VARIANT structure.

Return value

Type: HRESULT

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This is an inline function, with its source code provided in the header. It is not included in any .dll or .lib file.

Examples

The following example, to be included as part of a larger program, demonstrates how to use InitVariantFromGUIDAsBuffer.


VARIANT var;

HRESULT hr = InitVariantFromGUIDAsBuffer(FMTID_DocSummaryInformation, &var);

if (SUCCEEDED(hr))
{
    // var now is valid and has type VT_ARRAY | VT_UI1.
    VariantClear(&var);
}

Requirements

Minimum supported client

Windows XP with SP2, Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 with SP1 [desktop apps only]

Redistributable

Windows Desktop Search (WDS) 3.0

Header

Propvarutil.h

See also

VariantToBuffer
InitVariantFromGUIDAsString
InitPropVariantFromCLSID

 

 

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