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VariantGetDoubleElem function

Extracts one double element from a variant structure.

Syntax


HRESULT VariantGetDoubleElem(
  _In_  REFVARIANT var,
  _In_  ULONG      iElem,
  _Out_ DOUBLE     *pnVal
);

Parameters

var [in]

Type: REFVARIANT

Reference to a source variant structure.

iElem [in]

Type: ULONG

Specifies vector or array index; otherwise, value must be 0.

pnVal [out]

Type: DOUBLE*

Pointer to the extracted element value.

Return value

Type: HRESULT

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

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

Library

Propsys.lib

DLL

Propsys.dll (version 6.0 or later)

 

 

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