C#中的MVVM新手尝试使用Esc关闭应用程序(处理关键命令)

public ICommand CloseApplicationCommand { get; private set; }

public ViewModel()
{
    CloseApplicationCommand = new RelayCommand(CloseApplication);
}

private void CloseApplication()
{
    // 关闭应用程序的逻辑
    Application.Current.Shutdown();
}

<Window x:Class="YourNamespace.YourView"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
        xmlns:command="http://schemas.microsoft.com/winfx/2006/xaml/presentation/command"
        xmlns:local="clr-namespace:YourNamespace"
        Title="Your Application" Height="450" Width="800">
    <Window.DataContext>
        <local:ViewModel />
    </Window.DataContext>
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="KeyDown">
            <command:EventToCommand Command="{Binding CloseApplicationCommand}"
                                    PassEventArgsToCommand="True">
                <command:EventToCommand.Conditions>
                    <command:KeyTrigger Key="Escape" />
                </command:EventToCommand.Conditions>
            </command:EventToCommand>
        </i:EventTrigger>
    </i:Interaction.Triggers>
    <!-- 其他控件和内容 -->
</Window>