Check if a SharePoint List is already created or not in a site collection in CSOM

The following methods determines whether list is already created or not in a site collection :



public static bool CheckIfListCreated(ClientContext context, string listName, ref string message)
        {

            try
            {
                ListCollection listCollection = context.Web.Lists;
             
                context.Load(listCollection, lists => lists.Include(list => list.Title).Where(list => list.Title == listName));
                context.ExecuteQuery();

                if (listCollection.Count > 0)
                {
                    message += listName + " " + string.Format("{0}", "Lists already exist.");
                    return true;

                }
                else
                {
                    message += string.Empty;
                    return false;
                }
            }
            catch (Exception ex)
            {

                throw ex;
            }
        }


Happy SharePointing..........................:)