| Microsoft DirectX 9.0 |

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. |