MARKUS

using System;

using System.Collections.Generic;

using System.Text;

using System.Runtime.InteropServices;

using System.Diagnostics;

using System.Windows.Forms;

using System.Security.Principal;

    public static class VistaSecurity

    {

        [DllImport("user32")]

        public static extern UInt32 SendMessage(IntPtr hWnd, UInt32 msg, UInt32 wParam, UInt32 lParam);

        internal const int BCM_FIRST = 0x1600;

        internal const int BCM_SETSHIELD = (BCM_FIRST + 0x000C);

        static internal bool IsVistaOrHigher()

        {

            return Environment.OSVersion.Version.Major < 6;

        }

        /// <summary>

        /// Checks if the process is elevated

        /// </summary>

        /// <returns>If is elevated</returns>

        static internal bool IsAdmin()

        {

            WindowsIdentity id = WindowsIdentity.GetCurrent();

            WindowsPrincipal p = new WindowsPrincipal(id);

            return p.IsInRole(WindowsBuiltInRole.Administrator);

        }

        /// <summary>

        /// Add a shield icon to a button

        /// </summary>

        /// <param name="b">The button</param>

        static internal void AddShieldToButton(Button b)

        {

            b.FlatStyle = FlatStyle.System;

            SendMessage(b.Handle, BCM_SETSHIELD, 0, 0xFFFFFFFF);

        }

        /// <summary>

        /// Restart the current process with administrator credentials

        /// </summary>

        internal static void RestartElevated(string arguments)

        {

            ProcessStartInfo startInfo = new ProcessStartInfo();

            startInfo.UseShellExecute = true;

            startInfo.Arguments = arguments;

            startInfo.WorkingDirectory = Environment.CurrentDirectory;

            startInfo.FileName = Application.ExecutablePath;

            startInfo.Verb = "runas";

            try

            {

                Process p = Process.Start(startInfo);

            }

            catch(System.ComponentModel.Win32Exception ex)

            {

                return; //If cancelled, do nothing

            }

            System.Windows.Forms.Application.Exit();

            System.Windows.Application.Current.Shutdown();

        }

    }