PerformanceObserverCallback Delegate
https://w3c.github.io/performance-timeline/#dom-performanceobservercallback
public delegate void PerformanceObserverCallback(PerformanceObserverEntryList entries, PerformanceObserver observer, PerformanceObserverCallbackOptions options)Parameters
entriesPerformanceObserverEntryList- The entries observed since the previous call.
observerPerformanceObserver- The observer.
optionsPerformanceObserverCallbackOptions- The number of entries dropped because a buffer was full, on the first call after
PerformanceObserver.Observe.