Platform SDK: DirectX

IDirectMusicDownload::GetBuffer

The IDirectMusicDownload::GetBuffer method retrieves a pointer to a buffer containing data to be downloaded.

HRESULT GetBuffer(
  void** ppvBuffer,
  DWORD* pdwSize
);

Parameters

ppvBuffer
Address of a variable to receive a pointer to the data buffer.
pdwSize
Address of a variable to receive the size of the returned buffer, in bytes.

Return Values

If the method succeeds, the return value is S_OK.

If it fails, the method can return one of the following error values:

DMUS_E_BUFFERNOTAVAILABLE
E_POINTER

Remarks

The method returns DMUS_E_BUFFERNOTAVAILABLE if the buffer has already been downloaded.

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dmusicc.h.