其实，狗狗不只在夜间嚎叫，白天它们也会嚎叫，只是它们在晚上嚎叫的频率比较高。
Hi I am creating a Canvas in code behind like below: Canvas musicPlayerCanvas = new Canvas(); musicPlayerCanvas.Background = new SolidColorBrush(Colors.White);
加载中,请稍侯......