IXAudio2::QueryInterface method (xaudio2.h)

Queries for a given COM interface on the XAudio2 object.

Syntax

HRESULT QueryInterface(
  [in]  REFIID riid,
  [out] void   **ppvInterface
);

Parameters

[in] riid

The REFIID that identifies the interface to query for.

[out] ppvInterface

Address of a pointer that receives the interface.

Return value

Returns S_OK if successful, an error code otherwise. See XAudio2 Error Codes for descriptions of XAudio2 specific error codes.

Remarks

Only IID_IUnknown and IID_IXAudio2 are provided by XAudio2.

Platform Requirements

Requirements

See also

IXAudio2