C#实现在任务栏蓝色闪烁窗体，测试时请先点击主程序窗口中的“开始闪烁”按钮，停止时点击“停止闪烁”。(C# is implemented in the taskbar blue scintillation window. When testing, click the "start flicker" button in the main program window and click "stop flicker" when you stop.)