wpf - ModernDialog.ShowMessage错误: "Cannot set Owner property to a Window that has not been shown previously."

Question

我遇到了一个问题，与这里的 _benji 相同 https://stackoverflow.com/questions/28053087/cannot-set-owner-property-to-a-window-that-has-not-been-shown-previously ，我无法让 ModernDialog 显示消息，以前有人遇到过并解决过这个问题吗？

System.Windows.MessageBoxResult response = ModernDialog.ShowMessage("Cannot connect; try again?", "Connection Status", MessageBoxButton.YesNo);

谢谢

Answer 1

错误表明您调用代码的位置尚未向用户显示任何窗口。您需要先向用户显示一个窗口，然后再尝试显示它，或者确保在关闭最后一个窗口之前显示该对话框。