public static void Main()
 {
     using (SimpleWindow example = new SimpleWindow())
     {
         example.Title = "Gwen-DotNet OpenTK test";
         example.VSync = VSyncMode.Off; // to measure performance
         example.Run(0.0, 0.0);
         //example.TargetRenderFrequency = 60;
     }
 }
 public static void Main()
 {
     using (SimpleWindow example = new SimpleWindow())
     {
         example.Title = "Gwen-DotNet OpenTK test";
         example.VSync = VSyncMode.Off; // to measure performance
         example.Run(0.0, 0.0);
         //example.TargetRenderFrequency = 60;
     }
 }
 public static void Main()
 {
     using var example = new SimpleWindow
           {
               Title           = "Gwen-DotNet OpenTK test",
               RenderFrequency = 0.0,
               VSync           = VSyncMode.Off // to measure performance
           };
     example.Run();
 }