CSystemClock Class
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This class implements a system clock that provides time information and timing signals to an application. It uses the CBaseReferenceClock base class to provide most of that functionality, adding persistence.
CSystemClock implements the IPersist interface. For more implementation information, see OLE Programmers Reference (Vol. 1): Structured Storage Overview.
Member Functions
| Member function | Description |
|---|---|
| CreateInstance | Creates an instance of a system clock. |
| CSystemClock | Constructs a CSystemClock object. |
Implemented IPersist Methods
| Method | Description |
|---|---|
| GetClassID | Returns the class identifier for this clock (CLSID_SystemClock). |
Implemented INonDelegatingUnknown Methods
| Method | Description |
|---|---|
| NonDelegatingQueryInterface | Passes out pointers to IID_IPersist, and calls the base clock for other interface queries. |
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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Last updated on Wednesday, April 13, 2005
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