private void OnRemovePackage(object sender, ProjectPackageEventArgs e)
        {
            ITreeBuilder builder = Context.GetTreeBuilder(e.Project.Packages);

            if (builder != null)
            {
                builder.UpdateAll();
            }
        }
		private void OnRemovePackage (object sender, ProjectPackageEventArgs e)
		{
			ITreeBuilder builder = Context.GetTreeBuilder (e.Project.Packages);
			if (builder != null)
				builder.UpdateAll ();
		}