SilverlightMappingToolBasic.UI.SuperGraph.View.SuperGraphControl.IsArrowExist C# (CSharp) Method

        public bool IsArrowExist(NodeControl from, NodeControl to)
        {
            var exist =
                GetRelationships()
                    .FirstOrDefault(q => q != null && q.From == from.ViewModelNode.Id && q.To == to.ViewModelNode.Id);
            return exist != null;
        }