Retrieve the Available Lists from the Current site

this.Cursor = Cursors.WaitCursor;

        ListsListBox.Items.Clear();

        //Get a context

        using (ClientOM.ClientContext ctx =

            new ClientOM.ClientContext(UrlTextBox.Text))
            {

                //Get the site

                ClientOM.Web site = ctx.Web;

                ctx.Load(site);

                //Get Lists

                ctx.Load(site.Lists);

                //Query

                ctx.ExecuteQuery();

                //Fill List

                foreach (ClientOM.List list in site.Lists)
                {

                    ListsListBox.Items.Add(list.Title);

                }

                //Return the cursor to normal

                this.Cursor = Cursors.Default;

            }