APIAppStartup.SplashWindow.StopSplash C# (CSharp) Method

        public static void StopSplash()
        {
            if (m_instance != null)
             {

            m_instance.Invoke(m_instance.m_delegateClose);
             }
        }

        public Autodesk.Revit.UI.Result OnStartup(UIControlledApplication application)
        {
            String version = application.ControlledApplication.VersionName;

            //display splash window for 10 seconds
            SplashWindow.StartSplash();
            SplashWindow.ShowVersion(version);
            System.Threading.Thread.Sleep(10000);
            SplashWindow.StopSplash();

            return(Autodesk.Revit.UI.Result.Succeeded);
        }