PrepareRacesPage.xaml.cs

using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Vereinsmeisterschaften.ViewModels;
 
namespace Vereinsmeisterschaften.Views;
 
public partial class PrepareRacesPage : Page
{
    public PrepareRacesPage(PrepareRacesViewModel viewModel)
    {
        InitializeComponent();
        DataContext = viewModel;
    }

    private void InnerListBoxRace_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
    {
        if (sender is ListBox && !e.Handled)
        {
            e.Handled = true;
            MouseWheelEventArgs eventArg = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);
            eventArg.RoutedEvent = UIElement.MouseWheelEvent;
            eventArg.Source = sender;
            UIElement parent = ((Control)sender)?.Parent as UIElement;
            parent?.RaiseEvent(eventArg);
        }
    }
}