1         private void Form1_Load(object sender, EventArgs e)
 2         {
 3             //文件夹路径
 4             string path = "D:\\Notepad++";
 5 
 6             //TreeView根节点
 7             TreeNode node = treeView1.Nodes.Add(path);
 8 
 9             //调用递归
10             DirectoryToTree(path, node.Nodes);
11 
12         }
13 
14         //递归加载文件夹目录及目录下文件
15         private void DirectoryToTree(string path, TreeNodeCollection nodes)
16         {
17             foreach (string item in Directory.GetDirectories(path))
18             {
19                 TreeNode node = nodes.Add(Path.GetFileName(item));
20                 DirectoryToTree(item, node.Nodes);
21             }
22             string[] strFiles = Directory.GetFiles(path);
23             foreach (string str in strFiles)
24             {
25                 nodes.Add(Path.GetFileName(str));
26             }
27         }