参考网址: 1.WPF Tips: Window.ShowDialog()方法:Cannot set Visibility or call Show, ShowDialog, or WindowInteropHelp http://blog.csdn.net/yapingxin/article/details/12209205 2.同样的疑问,在StackOverflow上的讨论如下: <WPF: Cannot reuse window after it has been closed> ht…