CmisSync.CmisTree.CmisTreeDataSource.UpdateItem C# (CSharp) Méthode

        private void UpdateItem(ref NSObject item)
        {
            lock (LockRepositories) {
                if (item == null) {
                    return;
                }
                NSCmisTree cmis = item as NSCmisTree;
                if (cmis == null) {
                    return;
                }

                Stack<string> paths = new Stack<string> ();
                do {
                    paths.Push(cmis.Name);
                    cmis = cmis.Parent;
                } while (cmis != null);

                string current = paths.Pop ();
                cmis = Repositories.First (x => x.Name.Equals (current));
                if (cmis == null) {
                    return;
                }

                while (paths.Count > 0) {
                    current = paths.Pop ();
                    cmis = cmis.Children.First (x => x.Name.Equals (current));
                    if (cmis == null) {
                        return;
                    }
                }

                item = cmis;
            }
        }