WPF 窗体关闭事件触发不了, 始终进不了处理函数private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)<Window
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/up-compatibility/2006" mc:Ignorable="d"
 x:Class="netradio.Window1"
 x:Name="Window"
 Title="netradio" 
    xmlns:local="clr-namespace:netradio" 
    AllowsTransparency="false" WindowStyle="None" 
    Foreground="{x:Null}" Background="#FF626060" 
 Width="400" Height="613" AllowDrop="True" xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Luna" Loaded="Window_Loaded" Closing="Window_Closing" BorderThickness="2" WindowState="Normal">        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (!windowQuit)
                e.Cancel = true;
        }