/// <summary>
 /// 添加根节点
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void 添加根节点ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     fmAddNode fm = new fmAddNode(Reflash, 0);
     fm.Show();
 }
 /// <summary>
 /// 添加子节点
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void 添加子节点ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     fmAddNode fm = new fmAddNode(Reflash, (int)treeView1.SelectedNode.Tag);
     fm.Show();
 }