Program.cs

/* 

    www.mbnq.pl 2024 
    https://mbnq.pl/
    mbnq00 on gmail

*/

using System.Security.Principal;
using System.Diagnostics;

namespace redunDancer
{
    internal static class Program
    {
        static Mutex redunDancerMutex = new Mutex(true, "{readunDancer}");

        #region variables and constants
        public const string mbVersion = "0.0.1.7";
        #endregion

        #region DPI
        // not really needed, leftover from template
        /*
        [DllImport("user32.dll")]
        static extern bool SetProcessDPIAware();

        [DllImport("user32.dll")]
        private static extern bool SetProcessDpiAwarenessContext(IntPtr dpiFlag);
        private static readonly IntPtr DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 = new IntPtr(-4);
        private static readonly IntPtr DPI_AWARENESS_CONTEXT_SYSTEM_AWARE = new IntPtr(-2);
        */
        #endregion

        [STAThread]
        static void Main()
        {

            if (!redunDancerMutex.WaitOne(TimeSpan.Zero, true))
            {
                MessageBox.Show("Another instance of the application is already running.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                Application.Exit();
                return;
            }

            if (!IsAdministrator())
            {
                // Restart the application with admin rights
                try
                {
                    ProcessStartInfo proc = new ProcessStartInfo
                    {
                        UseShellExecute = true,
                        WorkingDirectory = Environment.CurrentDirectory,
                        FileName = Application.ExecutablePath,
                        Verb = "runas"
                    };
                    Process.Start(proc);
                }
                catch
                {
                    // The user refused the elevation
                    MessageBox.Show("This application requires administrator privileges to run.");
                }
                Application.Exit();
                return;
            }

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new mbRedunDancerMain());
            redunDancerMutex.ReleaseMutex();
        }

        private static bool IsAdministrator()
        {
            WindowsIdentity identity = WindowsIdentity.GetCurrent();
            WindowsPrincipal principal = new WindowsPrincipal(identity);
            return principal.IsInRole(WindowsBuiltInRole.Administrator);
        }
    }
}