private string GetHeaderTitle(out string subTitle) { subTitle = ""; var query = HydrometInfoUtility.ExpandQuery(this.comboBoxInputs.Text, TimeInterval.Daily); // single cbtt? var tokens = query.Split(','); var cbttList = new List <string>(); foreach (var item in tokens) { string s = item.Trim().Split(' ')[0]; if (!cbttList.Contains(s)) { cbttList.Add(s); } } if (cbttList.Count == 1) { subTitle = HydrometInfoUtility.LookupGroupDescription(cbttList[0]); return(HydrometInfoUtility.LookupSiteDescription(cbttList[0])); } return(""); }