Main menu nakon logovanja korisnika

Code:

        // Program.cs

        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            
            bool flag = false;            
            short role = 0;

            using (FrmLogin login = new FrmLogin())
            {
                if ((login.ShowDialog() == DialogResult.OK) && login.IsValidLogin)
                {
                    flag = true;
                }
            }

            if (flag)
            {                
                try
                {
                     using (MainForm form = new MainForm())
                     {
                         Application.Run(form);
                     }                    
                }
                catch (Exception exc)
                {
                    // process Exception...
                }
            }
        }