parsec-vdd/app/Components/CloseButton.xaml.cs

using System;
using System.Windows;
using System.Windows.Controls;

namespace ParsecDisplay.Components
{
    public partial class CloseButton : UserControl
    {
        public CloseButton()
        {
            InitializeComponent();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            var window = Window.GetWindow(this);
            window?.Close();
        }
    }
}