IWMPContentPartnerCallback::GetContentIDsInLibrary method (contentpartner.h)

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4/26/2023

[The feature associated with this page, Windows Media Player SDK, is a legacy feature. It has been superseded by MediaPlayer. MediaPlayer has been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer instead of Windows Media Player SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

Note This section describes functionality designed for use by online stores. Use of this functionality outside the context of an online store is not supported.

The GetContentIDsInLibrary method retrieves an array of content IDs that represent the music tracks in the library.

Syntax

HRESULT GetContentIDsInLibrary(
  [out] ULONG *pcContentIDs,
  [out] ULONG **pprgIDs
);

Parameters

[out] pcContentIDs

Receives the number of elements in the pprgIDs array.

[out] pprgIDs

Receives a pointer to an array of content IDs.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.

Remarks

This method allocates an array of ULONGs, fills the array with content IDs, and returns the address of the array in the output parameter pprgIDs. When the caller is finished with the array, it must free the array by calling CoTaskMemFree.

Requirements

Requirement	Value
Minimum supported client	Windows Media Player 11
Target Platform	Windows
Header	contentpartner.h

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