Azavea.NijPredictivePolicing.AcsAlchemistGui.MainForm.cboSummaryLevel_Validating C# (CSharp) Method

        private void cboSummaryLevel_Validating(object sender, CancelEventArgs e)
        {
            //this can now be blank
            string errMessage = string.Empty;

            bool valid = ((BoundaryLevels)cboSummaryLevel.SelectedValue != BoundaryLevels.None);
            if (!valid)
            {
                errMessage = "Please select a geographic summary level from the list";
            }

            this.errorProvider1.SetError(this.cboSummaryLevel, errMessage);
        }