Function CVDisplayLinkIsRunning

pub unsafe extern "C-unwind" fn CVDisplayLinkIsRunning(
    display_link: &CVDisplayLink,
) -> bool

👎Deprecated: use NSView.displayLink(target:selector:), NSWindow.displayLink(target:selector:), or NSScreen.displayLink(target:selector:)

Available on crate feature CVDisplayLink only.

Retrieves the running state of a CVDisplayLink.

This call queries the running state of the given CVDisplayLink.

Parameter displayLink: The CVDisplayLink to get the running state from.

Returns: A boolean describing the running state. It returns true if it is running and false if it is not running or the CVDisplayLink is invalid.