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InitVariantFromDouble function

Initializes a VARIANT structure with a value of type DOUBLE.

Syntax


HRESULT InitVariantFromDouble(
  _In_   DOUBLE dblVal,
  _Out_  VARIANT *pvar
);

Parameters

dblVal [in]

Type: DOUBLE

Source value.

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

Creates a VT_R8 variant.

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 InitVariantFromDouble.


VARIANT var;

HRESULT hr = InitVariantFromDouble(3.1415, &var);

if (SUCCEEDED(hr))
{
    // var now is valid and has type VT_R8.
    VariantClear(&propvar);
}

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

VariantToDouble
VariantToDoubleWithDefault
InitPropVariantFromDouble

 

 

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