MessageBox用在启动方法OnStartup异常

[deakintsang]

MessageBox用在OnStartup报错“无法将 Owner 属性设置为它本身。”

protected override void OnStartup(StartupEventArgs e) { base.OnStartup(e); WPFDevelopers.Controls.MessageBox.Show("OnStartup 弹出 MessageBox","提醒",MessageBoxImage.Information); }