摘要： FloatingWindow 里面有个 Host属性, 不过是private类型.一种方法是修改源代码, 将private 改为 public.另一种方法: 查看Host属性的代码: private FloatingWindowHost Host { get { return this.Parent as FloatingWindowHost; } }// this.Parent as FloatingWindowHost 就是 Host 了 阅读全文