UnityEditor.TreeViewDataSource.Search C# (CSharp) Method

        protected virtual List<TreeViewItem> Search(TreeViewItem root, string search)
        {
            List<TreeViewItem> searchResult = new List<TreeViewItem>();
            if (this.showRootNode)
            {
                this.SearchRecursive(root, search, searchResult);
                searchResult.Sort(new TreeViewItemAlphaNumericSort());
                return searchResult;
            }
            int num = !this.alwaysAddFirstItemToSearchResult ? 0 : 1;
            if (root.hasChildren)
            {
                for (int i = num; i < root.children.Count; i++)
                {
                    this.SearchRecursive(root.children[i], search, searchResult);
                }
                searchResult.Sort(new TreeViewItemAlphaNumericSort());
                if (this.alwaysAddFirstItemToSearchResult)
                {
                    searchResult.Insert(0, root.children[0]);
                }
            }
            return searchResult;
        }