IDirectMusicPortDownload8::AllocateBuffer
The AllocateBuffer method allocates a chunk of memory for downloading DLS data to the port and returns an IDirectMusicDownload8 interface pointer that allows access to this buffer.
Syntax
HRESULT AllocateBuffer(
DWORD
dwSize
,
IDirectMusicDownload** ppIDMDownload
);
Parameters
dwSize
Requested size of buffer.
ppIDMDownload
Address of a variable that receives the IDirectMusicDownload8 interface pointer.
Return Values
If the method succeeds, it returns S_OK.
If it fails, the method can return one of the error values shown in the following table.
Return code |
E_POINTER |
E_INVALIDARG |
E_OUTOFMEMORY |
Remarks
After a buffer has been allocated, its size cannot change.
The buffer is freed when the IDirectMusicDownload8 interface is released.
Requirements
** Minimum Supported Client:** Windows 2000.
** Minimum Supported Server:** Windows 2000 Server.
** Header:** Dmusicc.h
See Also