steam-deck-tools/PerformanceOverlay/Program.cs

using RTSSSharedMemoryNET;
using System.Diagnostics;

namespace PerformanceOverlay
{
    internal static class Program
    {
        [STAThread]
        static void Main()
        {
            ApplicationConfiguration.Initialize();

            using (var controller = new Controller())
            {
                Application.Run();
            }
        }
    }
}