C# (CSharp) OnDifficultyChanged примеры использования

Пример #1

 public void IncreaseDifficulty()
 {
     OnSpeedChanged?.Invoke(speed);
     OnDifficultyChanged?.Invoke(difficulty);
 }

Пример #2

 public void ResetDifficulty()
 {
     OnSpeedChanged?.Invoke(0);
     OnDifficultyChanged?.Invoke(0f);
 }