C# (CSharp) ActivateSelectedItem примеры использования

Пример #1

 internal void PerformActivateSelectedItem() => ActivateSelectedItem?.Invoke(this, EventArgs.Empty);

Пример #2

 void OnActivateSelectedItem(EventArgs args) => ActivateSelectedItem?.Invoke(this, args);

Пример #3

 protected virtual void OnActivateSelectedItem(EventArgs args)
 {
     ActivateSelectedItem?.Invoke(this, args);
 }