Watch temp folder and make a copy of created files

watch-and-copy.cs

class Program
{
    static void Main()
    {
        const string COPIED_EXTENSION = ".copy";

        var cts = new CancellationTokenSource();

        Console.CancelKeyPress += (sender, args) =>
        {
            cts.Cancel();
        };

        var fsw = new FileSystemWatcher(@"C:\Users\John Allers\AppData\Local\Temp");
        fsw.EnableRaisingEvents = true;
        fsw.Created += (sender, args) =>
        {
            try
            {
                Console.WriteLine();
                Console.WriteLine("Attempting to copy: " + args.FullPath);
                if (!args.FullPath.EndsWith(COPIED_EXTENSION))
                {
                    File.Copy(args.FullPath, args.FullPath + COPIED_EXTENSION);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Failed to copy: " + ex.ToString());
            }
        };

        cts.Token.WaitHandle.WaitOne();
    }
}