GitUI.CommandsDialogs.FormBrowse.FindFileOnClick C# (CSharp) Method

        public void FindFileOnClick(object sender, EventArgs e)
        {
            string selectedItem;
            using (var searchWindow = new SearchWindow<string>(FindFileMatches)
            {
                Owner = this
            })
            {
                searchWindow.ShowDialog(this);
                selectedItem = searchWindow.SelectedItem;
            }
            if (string.IsNullOrEmpty(selectedItem))
            {
                return;
            }

            string[] items = selectedItem.Split(new[] { '/' });
            TreeNodeCollection nodes = GitTree.Nodes;

            for (int i = 0; i < items.Length - 1; i++)
            {
                TreeNode selectedNode = Find(nodes, items[i]);

                if (selectedNode == null)
                {
                    return; //Item does not exist in the tree
                }

                selectedNode.Expand();
                nodes = selectedNode.Nodes;
            }

            var lastItem = Find(nodes, items[items.Length - 1]);
            if (lastItem != null)
            {
                GitTree.SelectedNode = lastItem;
            }
        }