C#

ImageList images = new ImageList();
images.Size = new Size(16, 16);
Assembly asm = this.GetType().Assembly;
string names[] = asm.GetManifestResourceNames();
if (names == null) return images;
foreach (string name in names)
{
  if (name.StartsWith("Prud.Library.Icons.State"))
  {
    int index = name.LastIndexOf(".");
    if (string.Compare(name.Substring(index), "ico", true) == 0)
    {
      Stream s = null;
      try
      {
        asm.GetManifestResourceStream(name);
        Icon ico = new Icon(s);
        images.Images.Add(ico);
      }
      finally
      {
        is (s != null) s.Close();
      }
    }
  }
}
return images;