Splasher.cs

using System;
using System.Threading;
using System.Windows.Forms;
 
namespace be.gaudry.view
{
	public class Splasher
	{
        #region declarations
        static SplashForm splashForm = null;
        static Thread splashThread = null;
        static String splashText = null; 
        #endregion
 
        #region private methods
        /// <summary>
        /// internally used as a thread function - showing the form and
        /// starting the messageloop for it
        /// </summary>
        private static void showThread()
        {
            splashForm = new SplashForm();
            if (splashText != null)
                splashForm.StatusInfo = splashText;
            Application.Run(splashForm);
        } 
        #endregion
 
        #region public methods
        /// <summary>
        /// Start the thread and show the splash screen with a message
        /// </summary>
        /// <param name="text">(string) text to display on the splash screen</param>
        static public void show(String text)
        {
            if (splashThread != null)
                return;
            splashText = text;
            splashThread = new Thread(new ThreadStart(Splasher.showThread));
            splashThread.IsBackground = true;
            splashThread.ApartmentState = ApartmentState.STA;
            splashThread.Start();
        }
 
        /// <summary>
        /// Start the thread and show the splash screen without message
        /// </summary>
        static public void show()
        {
            Splasher.show("");
        }
 
        /// <summary>
        /// Stop the thread and close the splash screen
        /// </summary>
        static public void close()
        {
            if (splashThread == null) return;
            if (splashForm == null) return;
 
            try
            {
                splashForm.Invoke(new MethodInvoker(splashForm.Close));
            }
            catch (Exception ex)
            {
                System.Console.WriteLine(ex.StackTrace);
            }
            splashThread = null;
            splashForm = null;
        } 
        #endregion
 
        #region properties
        /// <summary>
        /// Get or set the splash screen message
        /// </summary>
        static public string Status
        {
            set
            {
                if (splashForm == null)
                {
                    return;
                }
 
                splashForm.StatusInfo = value;
            }
            get
            {
                if (splashForm == null)
                {
                    throw new InvalidOperationException("Splash Form not on screen");
                }
                return splashForm.StatusInfo;
            }
        } 
        #endregion
	}
}