IDirectMusicPort::GetNumChannelGroups

The IDirectMusicPort::GetNumChannelGroups method retrieves the number of channel groups on the port.

HRESULT GetNumChannelGroups
  LPDWORD pdwChannelGroups
);

Parameters

pdwChannelGroups

Address of a variable to receive the number of channel groups.

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:

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.

See Also

IDirectMusicPort::SetNumChannelGroups, Channels