private static void InternalInvokeDelayed <T>(InvokeDelayedState <T> state) where T : EventArgs
{
ThreadPool.QueueUserWorkItem(InternalPerformDelayedInvoke <T>, state);
}
private static async void InternalInvokeDelayed <T>(InvokeDelayedState <T> state) where T : EventArgs
{
await System.Threading.Tasks.Task.Delay(state.Delay);
state.Invoke();
}