| DirectX SDK |
The IDirectMusicPort::SetNumChannelGroups method changes the number of channel groups that the application needs on the port.
HRESULT SetNumChannelGroups( DWORD dwChannelGroups );
If the method succeeds, the return value is S_OK.
If it fails, the method can return one of the following error values:
| E_FAIL |
| E_INVALIDARG |
| E_NOTIMPL |
| E_OUTOFMEMORY |
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.