VariantToUInt64Array function (propvarutil.h)

Extracts data from a vector structure into an unsigned Int64 array.

Syntax

PSSTDAPI VariantToUInt64Array(
  [in]  REFVARIANT var,
  [out] ULONGLONG  *prgn,
  [in]  ULONG      crgn,
  [out] ULONG      *pcElem
);

Parameters

[in] var

Type: REFVARIANT

Reference to a source variant structure.

[out] prgn

Type: ULONGLONG*

Pointer to the unsigned Int64 data extracted from source variant structure.

[in] crgn

Type: ULONG

Specifies unsigned Int64 array size.

[out] pcElem

Type: ULONG*

Pointer to the count of unsigned Int64 elements extracted from source variant structure.

Return value

Type: HRESULT

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

Requirements