次の方法で共有


IDirectMusicPort8::GetNumChannelGroups

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

Syntax

HRESULT GetNumChannelGroups(
  LPDWORD pdwChannelGroups
);

Parameters

pdwChannelGroups

Address of a variable that receives 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 error values shown in the following table.

Return code
E_FAIL
E_INVALIDARG
E_NOTIMPL
E_OUTOFMEMORY

Requirements

**  Header:** Dmusicc.h

See Also

© 2004 Microsoft Corporation. All rights reserved.