相关疑难解决方法(0)

如果事件没有订阅者,我如何确保在触发事件时不会抛出异常.

 // Delegate declaration
 public delegate void _delDisplayChange(object sender,string option);

 // Event declaration
 public event _delDisplayChange  DisplayChange;

 //throwing the event
 DisplayChange(this, "DISTRIBUTION");