StatusIcon.cs :  » Build-Systems » CruiseControl.NET » ThoughtWorks » CruiseControl » CCTrayLib » C# / CSharp Open Source

using System;
using System.Drawing;
using System.IO;
using System.Reflection;

namespace ThoughtWorks.CruiseControl.CCTrayLib{
    [Serializable]
  public class StatusIcon : IDisposable
  {
    private Icon icon;

    [NonSerialized]
    private bool ownIcon = true;

    public StatusIcon(){}

    public StatusIcon(String resourceName)
    {
      icon = new Icon(Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName));
    }

        public StatusIcon(Icon i, bool ownIcon)
    {
      icon = i;
      this.ownIcon = ownIcon;
    }

    public void Dispose()
    {
      if (ownIcon)
      {
        icon.Dispose();

        icon = null;
        ownIcon = false;
      }
    }

    public static StatusIcon LoadFromFile(string file)
    {
            try
            {
                using (FileStream stream = File.Open(file, FileMode.Open, FileAccess.Read))
                {
                    return new StatusIcon(new Icon(stream), true);
                }
            }
            catch (ArgumentException)
            {
                try
                {
                    // Attempt to load the icon from an image file instead
                    using (FileStream stream = File.Open(file, FileMode.Open, FileAccess.Read))
                    {
                        using (Bitmap image = new Bitmap(stream))
                        {
                            return new StatusIcon(Icon.FromHandle(image.GetHicon()), true);
                        }
                    }
                }
                catch (SystemException ex)
                {
                    throw new IconNotFoundException(file, ex);
                }
            }
            catch (SystemException ex)
            {
                throw new IconNotFoundException(file, ex);
            }
    }

    public Icon Icon
    {
      get { return icon; }
    }
  }
}