C# (CSharp) Observer.Coding.Exercise Rat示例

示例#1

 public void FireNotifyRat(object sender, Rat whichRat)
 {
     NotifyRat?.Invoke(sender, whichRat);
 }

示例#2

 public void NotifyRat(object sender, Rat whichRat)
 {
     NotifyRatEvent?.Invoke(sender, whichRat);
 }