关于TREEVIEW的复选框的问题

Question

if   (e.Node.Nodes.Count   >   0  )   
{   
  foreach(TreeNode   vNode   in   e.Node.Nodes)
{
           vNode.Checked   = e.Node.Checked;   
}
}  

Answer 1

private void treeView1_AfterCheck(object sender, TreeViewEventArgs e)
        {
            TreeNode SelectNode = e.Node;
            int x = SelectNode.Nodes.Count;
            if (x > 0)
            {                bool IsCheck = SelectNode.Checked;                if (IsCheck == true)
                {
                       foreach (TreeNode Child in SelectNode.Nodes)
                    {
                        Child.Checked = IsCheck;
                        
                    }
                }
                else
                {
                    foreach (TreeNode Child in SelectNode.Nodes)
                    {
                        Child.Checked = IsCheck;
                       
                    }
                }
            }
                    }

Answer 2

我的资源里有一个三种状态的树形控件，满足你的要求。
http://download.csdn.net/source/315730