VsTeXProject.VisualStudio.Project.ProjectNode.NodeFromItemId C# (CSharp) Метод

        public HierarchyNode NodeFromItemId(uint itemId)
        {
            if (VSConstants.VSITEMID_ROOT == itemId)
            {
                return this;
            }
            if (VSConstants.VSITEMID_NIL == itemId)
            {
                return null;
            }
            if (VSConstants.VSITEMID_SELECTION == itemId)
            {
                throw new NotImplementedException();
            }

            return (HierarchyNode) ItemIdMap[itemId];
        }