知道树节点的路径FullPath，有哪个方法可以通过它找到该树节点？

string delimit = treeView1.PathSeparator;
string path = treeView1.SelectedNode.FullPath;
string[] kids = path.Split(new string[] { delimit }, StringSplitOptions.RemoveEmptyEntries);

TreeNode tn = treeView1.Nodes[kids[0]];
for (int i = 1; i < kids.Length; i++)
{
    tn = tn.Nodes[kids[i]];
}