| Microsoft DirectX 8.1 (C++) | 
Sets the amount of audio data currently in the object.
Syntax
HRESULT SetActual(
  DWORD cbDataValid
  );Parameters
cbDataValid
[in] Amount of data, in bytes.
Return Value
Returns S_OK if successful or E_POINTER if the required parameter is NULL.
Remarks
This method is usually called by the IAudioMediaStream or IAudioStreamSample object, rather than by the application.
See Also