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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