assets/samples/Samples/APIAppStartup/CS/SplashWindow.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.IO;
using System.Diagnostics;

namespace APIAppStartup
{
   public delegate void DelegateCloseSplash();

   public partial class SplashWindow : System.Windows.Forms.Form
   {
      public SplashWindow()
      {
         InitializeComponent();
         m_delegateClose = new DelegateCloseSplash(InternalCloseSplash);
      }

      private DelegateCloseSplash m_delegateClose;
      private static SplashWindow m_instance;
      private static Thread InstanceCaller;

      //start a new thread to display splash window
      public static void StartSplash()
      {
         m_instance = new SplashWindow();
         m_instance.TopMost = true;
         InstanceCaller = new Thread(new ThreadStart(MySplashThreadFunc));
         InstanceCaller.Start();
      }

      //kill the thread
      public static void StopSplash()
      {
         if (m_instance != null)
         {

            m_instance.Invoke(m_instance.m_delegateClose);
         }
      }

      //show Revit version info
      public static void ShowVersion(String version)
      {
         m_instance.Version.Text = version;
      }

      void InternalCloseSplash()
      {
         this.Close();
         this.Dispose();
      }

      // this is called by the new thread to show the splash screen
      private static void MySplashThreadFunc()
      {
         if (m_instance != null)
         {
            m_instance.TopMost = true;
            m_instance.ShowDialog();
         }
      }

   }
}