/// <summary>
/// 测试事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnEventTest_Click(object sender, EventArgs e)
{
CancellationTokenSource cts = new CancellationTokenSource();
Heater heater = new Heater();
//这里每次都重新定义一个heater并绑定一个方法到事件，实际运用中可在初始化时实例对象并绑定事件方法
heater.HeaterEvent += (new HeaterEventTestClass(cts)).MakeAlarm;
ThreadPool.QueueUserWorkItem(o => heater.Heat(cts.Token));
}