[WPF] Styles and Templates
https://yuchungchuang.wordpress.com/2019/04/13/wpf-%E6%95%99%E5%AD%B8-2%EF%BC%9Astyles-and-templates/
https://blog.csdn.net/qq_28806349/article/details/119986734
去除邊線及最上面的標題欄
https://blog.csdn.net/qq_43024228/article/details/107547352