AddInEditorExtension.ValidateFeaturesExtension.Events_OnCreateChangeFeature C# (CSharp) Метод

        void Events_OnCreateChangeFeature(ESRI.ArcGIS.Geodatabase.IObject obj)
        {
            IFeature inFeature = (IFeature)obj;
            if (inFeature.Class is IValidation)
            {
                IValidate validate = (IValidate)inFeature;
                string errorMessage;
                //Validates connectivity rules, relationship rules, topology rules etc
                bool bIsvalid = validate.Validate(out errorMessage);
                if (!bIsvalid)
                {
                    System.Windows.Forms.MessageBox.Show("Invalid Feature\n\n" + errorMessage);
                }
                else
                {
                    System.Windows.Forms.MessageBox.Show("Valid Feature");
                }
            }       
        }