为WPF中的所有元素事件添加侦听器

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
       <Button x:Name="myButton" Content="Click me!"/>
    </Grid>
</Window>

private void OnElementEvent(object sender, RoutedEventArgs e)
{
    // 在这里处理事件
}

public MainWindow()
{
    InitializeComponent();
    Loaded += OnLoaded;
}

private void OnLoaded(object sender, RoutedEventArgs e)
{
    // 添加事件侦听器
    myButton.AddHandler(Button.ClickEvent, new RoutedEventHandler(OnElementEvent));
}