Benchmark start-up and system performance for .Net, Mono, Java, C++ and their respective UI

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace DotNet40UIPerf
{
    public partial class Form1 : Form
    {
        private const long TicksPerMiliSecond = TimeSpan.TicksPerSecond / 1000;
        int _result = 0;
        public Form1()
        {
            InitializeComponent();
        }

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static int Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Form1 f = new Form1();
            Application.Run(f);
            return f._result;
        }

        protected override void OnActivated(EventArgs e)
        {
            base.OnActivated(e);
            if (Environment.GetCommandLineArgs().Length == 1)
            {
                System.GC.Collect(2, GCCollectionMode.Forced);
                System.GC.WaitForPendingFinalizers();
            }
            else if (this.WindowState == FormWindowState.Normal)
            {
                DateTime mainEntryTime = DateTime.UtcNow;

                string launchtime = Environment.GetCommandLineArgs()[1];
                DateTime launchTime = System.DateTime.FromFileTimeUtc(long.Parse(launchtime));
                long diff = (mainEntryTime.Ticks - launchTime.Ticks) / TicksPerMiliSecond;
                //				string txt = label1.Text ;
                //
                //				txt += " Activated";
                //				label1.Text = txt;	
                _result = (int)diff;

            }
            
        }
    }
}