EventHandler not triggering.

namespace ClipboardHistoryCLI
{
    internal class Program
    {
        static void Main(string[] args)
        {
            ClipboardHandler handler = new ClipboardHandler();

            CommandParser parser = new CommandParser(args);
            string[] list;

            list = parser.ListComponents();
            Console.WriteLine($"{list} TEST");

            do
            {
                Console.WriteLine("HI");
                Thread.Sleep(1000);
            }
            while (true);
        }
    }
}

namespace ClipboardHistoryCLI
{
    internal class Program
    {
        static void Main(string[] args)
        {
            ClipboardHandler handler = new ClipboardHandler();

            CommandParser parser = new CommandParser(args);
            string[] list;

            list = parser.ListComponents();
            Console.WriteLine($"{list} TEST");

            do
            {
                Console.WriteLine("HI");
                Thread.Sleep(1000);
            }
            while (true);
        }
    }
}

namespace ClipboardHistoryCLI._Clipboard
{
    internal class ClipboardHandler
    {
        private Dictionary<string, DataPackageView> _clipboardHistory = [];

        public ClipboardHandler()
        {
            Clipboard.ContentChanged += new EventHandler<object>(this.ClipboardChanged);
        }

        private void ClipboardChanged(object? sender, object e)
        {
            Console.WriteLine("TEST");
            Console.WriteLine($"{sender}, {e}");
            Console.WriteLine($"{sender.GetType()}, {e.GetType()}");
        }

namespace ClipboardHistoryCLI._Clipboard
{
    internal class ClipboardHandler
    {
        private Dictionary<string, DataPackageView> _clipboardHistory = [];

        public ClipboardHandler()
        {
            Clipboard.ContentChanged += new EventHandler<object>(this.ClipboardChanged);
        }

        private void ClipboardChanged(object? sender, object e)
        {
            Console.WriteLine("TEST");
            Console.WriteLine($"{sender}, {e}");
            Console.WriteLine($"{sender.GetType()}, {e.GetType()}");
        }