HYTOS

            foreach (var item in SYMBOLS.FindAll(x => x.CONNECTORS.Count == 2))

            {

                Line line1 = item.CONNECTORS[0].ConnectedObject as Line;

                Line line2 = item.CONNECTORS[1].ConnectedObject as Line;

                if (line1.TYPE == line2.TYPE)

                {

                    int index1 = line1.CONNECTORS.IndexOf(line1.CONNECTORS.Find(x => x.ConnectedObject == item));

                    int index2 = line2.CONNECTORS.IndexOf(line2.CONNECTORS.Find(x => x.ConnectedObject == item));

                    if (index1 == index2)

                    {

                        validationStringBuilder.AppendLine("Check line flow direction!");

                        validationStringBuilder.AppendLine("UID : " + line1.UID);

                        validationStringBuilder.AppendLine("UID : " + line2.UID);

                        validationStringBuilder.AppendLine();

                        validationResult = true;

                    }

                }

            }