函数

private void GetSelectedTreeNode(TreeNodeCollection nodes, List
     
       selectedNodes)         {
   foreach (TreeNode node in nodes)             {
   if (node.Checked)                 {
                       selectedNodes.Add(node);                 }                 GetSelectedTreeNode(node.Nodes, selectedNodes);             }         }
     

调用

List
     
       selectedNodes=new List
      
       ();             GetSelectedTreeNode(treeView1.Nodes, selectedNodes); foreach (TreeNode node in selectedNodes)             {
                   a += node.Name + ",";             }             MessageBox.Show(a.Trim(','));