递归填充(winforms) Treeview

private void RecursiveFillTreeView(TreeNode parentNode, List<Node> dataSource)
{
    foreach (var nodeData in dataSource)
    {
        TreeNode node = new TreeNode(nodeData.Name);
        parentNode.Nodes.Add(node);

        if (nodeData.Children != null && nodeData.Children.Count > 0)
        {
            RecursiveFillTreeView(node, nodeData.Children);
        }
    }
}

// 在窗体加载事件中调用递归填充方法
private void Form_Load(object sender, EventArgs e)
{
    List<Node> dataSource = GetData(); // 获取数据源

    foreach (var rootNodeData in dataSource)
    {
        TreeNode rootNode = new TreeNode(rootNodeData.Name);
        treeView.Nodes.Add(rootNode);

        if (rootNodeData.Children != null && rootNodeData.Children.Count > 0)
        {
            RecursiveFillTreeView(rootNode, rootNodeData.Children);
        }
    }
}