public SimpleClass(ClassWithEvent classWithEvent)
 {
     _classWithEvent              = classWithEvent;
     classWithEvent.ValueChanged += OnValueChanged;
 }
 public void GlobalSetup()
 {
     _classWithEvent = new ClassWithEvent();
     _simpleClasses  =
         new List <SimpleClass>(Enumerable.Range(0, 100_000).Select(_ => new SimpleClass(_classWithEvent)));
 }