https://files.cnblogs.com/files/gaocong/%E4%B8%8D%E8%A7%84%E5%88%99%E9%94%AF%E9%BD%BF%E9%97%AE%E9%A2%98.rar
winform 不规则窗体无锯齿demo
原文：https://www.cnblogs.com/gaocong/p/8902315.html
