public override void AddToBookmarks()
{
string user_profile_path = Environment.GetFolderPath (Environment.SpecialFolder.UserProfile);
string shortcut_path = Path.Combine (user_profile_path, "Links", "SparkleShare.lnk");
if (File.Exists (shortcut_path))
File.Delete (shortcut_path);
Shortcut shortcut = new Shortcut ();
shortcut.Create (FoldersPath, shortcut_path);
}