Canguro.Commands.Forms.SectionsGUI.sectionInUse C# (CSharp) Method

        private bool sectionInUse()
        {
            foreach (LineElement line in Canguro.Model.Model.Instance.LineList)
                if (line != null && line.Properties is StraightFrameProps
                    && ((StraightFrameProps)line.Properties).Section == currentSection)
                    return true;
            return false;
        }