| Microsoft DirectX 8.1 (C++) | 

The CSystemClock class implements a clock that returns the system time.
This class derives from the CBaseReferenceClock class, and adds support for the IPersist and IAMClockAdjust interfaces.
| Public Methods | |
| CreateInstance | Creates a new instance of this object. | 
| CSystemClock | Constructor method. | 
| IAMClockAdjust Methods | |
| SetClockDelta | Adjusts the clock time. | 
| IPersist Methods | |
| GetClassID | Returns the class identifier (CLSID) of the object. |