如何将树视图中的所有文件夹添加为带有嵌套的节点

问题描述

我在一个文件夹下有一组目录.目录结构并非 100% 一致(例如，在 A 下可能有文件夹内的文件夹，但在 B 下没有).

I have a set of directories under a folder. The directory structure isn't 100% consistent (e.g. under A there maybe folders within folders but not under B).

我需要使用适当的嵌套绑定树视图中的所有文件夹(例如 C:\a\b 嵌套在 C:\a 下).

I need to bind all the folders in a treeview with appropriate nesting (e.g. C:\a\b nests under C:\a).

有没有一种简单的方法，甚至免费的树视图，可以让我这样做?

Is there an easy way, or even free treeview, that would let me do this?

谢谢

推荐答案

类似:

private void Form_Load(object sender, EventArgs e)
{
    treeView.Nodes.Add(GetDirectoryNodes(@"C:\TEST"));
}

private static TreeNode GetDirectoryNodes(string path)
{
    var node = new TreeNode(path);

    var subDirs = Directory.GetDirectories(path).Select(d => GetDirectoryNodes(d)).ToArray();
    node.Nodes.AddRange(subDirs);

    return node;
}

只需在递归方法中使用 System.IO 中的 Directory.GetDirectories() 来构建节点层次结构，并将其放入 TreeView.

Just uses Directory.GetDirectories() from System.IO in a recursive method to build the node hierarchy, and drop this into the TreeView.

编辑 - 根据评论添加排除机制(并将表达式转换为 Linq，在这种情况下更清晰):

EDIT - adding exclusion mechanism as per comments (and converted expression to Linq, which is clearer in this case):

private void Form_Load(object sender, EventArgs e)
{
    treeView.Nodes.Add(GetDirectoryNodes(@"C:\TEST", new string[] { @"C:\TeST\C", @"C:\TEST\E" }));
}

private static TreeNode GetDirectoryNodes(string path, string[] exclusions)
{
    var node = new TreeNode(Path.GetFileName(path));

    var subDirs = (from d in Directory.GetDirectories(path)
                   where !exclusions.Contains(d,StringComparer.CurrentCultureIgnoreCase)
                   select GetDirectoryNodes(d,exclusions)).ToArray();

    node.Nodes.AddRange(subDirs);
    return node;
}

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