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IWICMetadataReader::GetValueByIndex method (wincodecsdk.h)

  • Article

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

Requirement Value
Minimum supported client Windows XP with SP2, Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header wincodecsdk.h
Library Windowscodecs.lib
DLL Windowscodecs.dll