Overview

If you are using ProRibbon or any other library which is related to Windows Vista a program should stop working with a messagebox. The following snippet can be used to fullfill that task.

Snippet

Vistahelper.cs

   using System;
    using System.Windows.Forms;

    public static class VistaHelper
    {
        #region Enums

        public enum CheckStartupExitCodes
        {
            Passed = 0,
            Failed = -501,
        }

        #endregion

        #region Public Methods and Operators

        public static CheckStartupExitCodes CheckStartupArgs(bool showMessageBox = true, bool enableVisualStyles = true)
        {
            if (IsWinVistaOrHigher()) return CheckStartupExitCodes.Passed;
            if (!showMessageBox) return CheckStartupExitCodes.Failed;
            if (enableVisualStyles)
            {
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
            }
            MessageBox.Show("To run application you have to use Windows Vista or higher.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Error);
            return CheckStartupExitCodes.Failed;
        }

        #endregion

        #region Methods

        private static bool IsWinVistaOrHigher()
        {
            var os = Environment.OSVersion;
            return (os.Platform == PlatformID.Win32NT) && (os.Version.Major >= 6);
        }

        #endregion
    }

Program.cs

    internal static class Program
    {
        #region Methods

        [STAThread]
        private static void Main(params string[] args)
        {
            //SQLiteConnection.ClearAllPools();
            //SQLiteConnection.Shutdown(true, true);
            //GC.Collect();
            //GC.WaitForPendingFinalizers(); 

            if (VistaHelper.CheckStartupArgs() != VistaHelper.CheckStartupExitCodes.Passed) return;
            if (AdministratorHelper.CheckStartupArgs(args) != AdministratorHelper.CheckStartupExitCodes.Passed) return;
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new FormMain());
        }

        #endregion
    }