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The KsGetResolution method retrieves the clock resolution from the underlying clock.
Syntax
HRESULT KsGetResolution(
[out] KSRESOLUTION *Resolution
);
Parameters
[out] Resolution
Pointer to a variable that receives a KSRESOLUTION structure that contains the granularity and error of the underlying clock.
Return value
Returns NOERROR if successful; otherwise, returns an error code.
Remarks
The KsGetResolution method retrieves the underlying clock's resolution property, which specifies the underlying clock's increment granularity and notification error in terms of 100-nanosecond units. The best granularity would be one 100-nanosecond unit; less granular increments would contain larger numbers. The least amount of notification error above and beyond the clock granularity would be reported as zero 100-nanosecond units, and less accurate clocks would use larger numbers to indicate +/− error. The proxy can use this resolution property to determine maximum error and resolution in event notification and synchronization.
The proxy uses the KSPROPERTY_CLOCK_RESOLUTION property to retrieve the clock resolution.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Desktop |
| Header | ksproxy.h (include Ksproxy.h) |