IDirectMusic::GetMasterClock

The IDirectMusic::GetMasterClock method returns the GUID and a pointer to the IReferenceClock interface for the clock that is currently set as the DirectMusic master clock.

HRESULT GetMasterClock(
  LPGUID pguidClock,
  IReferenceClock **ppReferenceClock
);

Parameters

pguidClock
Address of a variable to receive the master clock's GUID. The application can pass NULL if this value is not desired.
ppReferenceClock
Address of a variable to receive the IReferenceClock interface pointer for this clock. The application can pass NULL if this value is not desired.

Return Values

If the method succeeds, the return value is S_OK.

If it fails, the method may return one of the following error values:

E_NOINTERFACE
E_POINTER

Remarks

The IReferenceClock interface pointer must be released once the application has finished using the interface.

QuickInfo

  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

IDirectMusic::SetMasterClock