IWICMetadataReader::GetValueByIndex method (wincodecsdk.h)

Gets the metadata item at the given index.

Syntax

HRESULT GetValueByIndex(
  [in]      UINT        nIndex,
  [in, out] PROPVARIANT *pvarSchema,
  [in, out] PROPVARIANT *pvarId,
  [in, out] PROPVARIANT *pvarValue
);

Parameters

[in] nIndex

Type: UINT

The index of the metadata item to retrieve.

[in, out] pvarSchema

Type: PROPVARIANT*

Pointer that receives the schema property.

[in, out] pvarId

Type: PROPVARIANT*

Pointer that receives the id property.

[in, out] pvarValue

Type: PROPVARIANT*

Pointer that receives the metadata value.

Return value

Type: HRESULT

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

Requirements