CVDisplayLinkIsRunning(_:)

Declaration

func CVDisplayLinkIsRunning(_ displayLink: CVDisplayLink) -> Bool

Parameters

• displayLink:

  The display link whose run state you want to determine.

Return Value

Returns true if the display link is running, false otherwise.

See Also

Inspecting Display Links

• CVDisplayLinkGetCurrentCGDisplay(_:)
• CVDisplayLinkGetCurrentTime(_:_:)
• CVDisplayLinkTranslateTime(_:_:_:)
• CVDisplayLinkGetActualOutputVideoRefreshPeriod(_:)
• CVDisplayLinkGetNominalOutputVideoRefreshPeriod(_:)
• CVDisplayLinkGetOutputVideoLatency(_:)
• CVDisplayLinkGetTypeID()