结合分层XML来的TreeView [英] Binding hierarchical xml to treeview

问题描述

我有一个标准的.NET 3.5 WinForms项目。它，它有一个TreeView。我已经系列化List实例转换成XML，使用的XmlSerializer和相关类，有层次的XML文件。

I have a standard .NET 3.5 winforms project. On it, it has a treeview. I have serialized a List instance into XML, using XmlSerializer and related classes, to have a hierarchical XML file.

现在，我需要把这个XML文件绑定到TreeView，以显示它的所有节点/单元（父母，子女等）的

Now, I need to bind this XML file to the treeview to display all of its nodes/elements (parents, children, etc).

有一个方便的做到这一点（LINQ与否），而不必解析XML等？

Is there a convenient to do this (LINQ or not), without having to parse XML etc?

感谢

推荐答案

这并不需要解析XML，以它的内容绑定到一个解决方案 TreeView控件 < STRONG>不存在（如果它退出，内部，的套餐的中，XML解析）。

A solution that doesn't need to parse XML in order to bind its contents to a TreeView doesn't exist (and if it exits, internally, of course, XML is parsed).

反正你会这样使用LINQ to XML实现自己：

Anyway you could implement this yourself by using LINQ to XML:

private void Form1_Load(object sender, EventArgs e)
{
    var doc = XDocument.Load("data.xml");
    var root = doc.Root;
    var x = GetNodes(new TreeNode(root.Name.LocalName), root).ToArray();

    treeView1.Nodes.AddRange(x);
}

private IEnumerable<TreeNode> GetNodes(TreeNode node, XElement element)
{
    return element.HasElements ?
        node.AddRange(from item in element.Elements()
                      let tree = new TreeNode(item.Name.LocalName)
                      from newNode in GetNodes(tree, item)
                      select newNode)
                      :
        new[] { node };
}

而在 TreeNodeEx ：

public static class TreeNodeEx
{
    public static IEnumerable<TreeNode> AddRange(this TreeNode collection, IEnumerable<TreeNode> nodes)
    {
        var items = nodes.ToArray();
        collection.Nodes.AddRange(items);
        return new[] { collection };
    }
}

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