static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); //show splash Thread splashThread = new Thread(new ThreadStart( delegate { splashForm = new SplashForm(); Application.Run(splashForm); } )); splashThread.SetApartmentState(ApartmentState.STA); splashThread.Start(); //run form - time taking operation MainForm mainForm = new MainForm(); mainForm.Load += new EventHandler(mainForm_Load); Application.Run(mainForm); }