向树视图中添加节点

1、/ <summary>/ 向树视图中添加节点/ </summary>private void AddTreeViewNodes()/ 添加根节点TreeNode tn = new TreeNode();tn.Text = "金庸小说"tn.ImageIndex = 0;tn.SelectedImageIndex = 0;tv.Nodes.Add(TreeNode)(tn.Clone();/ 添加4个子节点tn.Text = "射雕英雄传"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.

2、Nodes0.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "神雕侠侣"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes0.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "天龙八部"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes0.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "倚天屠龙记"tn.ImageIndex

3、 = 1;tn.SelectedImageIndex = 2;tv.Nodes0.Nodes.Add(TreeNode)(tn.Clone();/ 添加根节点tn.Text = "古龙小说"tn.ImageIndex = 0;tn.SelectedImageIndex = 0;tv.Nodes.Add(TreeNode)(tn.Clone();/ 添加根节点tn.Text = "黄易小说"tn.ImageIndex = 0;tn.SelectedImageIndex = 0;tv.Nodes.Add(TreeNode)(tn.Clone();/ 添加3个

4、子节点tn.Text = "大唐双龙传"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes2.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "寻秦记"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes2.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "第1章 时空机器"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;t

5、v.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "第2章 墨子剑法"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "第3章 初会秦皇"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text =

6、 "第4章 一统天下"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "翻云覆雨"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes2.Nodes.Add(TreeNode)(tn.Clone();/ 构造函数public Form1()/ Required for Windows Form Designer support/InitializeC

7、omponent();/ TODO: Add any constructor code after InitializeComponent call/ 调用向树视图中添加节点的方法AddTreeViewNodes();/ 树视图控件tv的AfterSelect事件的处理方法private void tv_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)/ 在文本框中显示当前选择节点的完全路径txtPath.Text = tv.SelectedNode.FullPath;/ 在列表视图中显示当前选择节点的所有

8、子节点lv.Clear();/ 首先清除列表视图的所有列和项/ 向列表视图中添加列，当前选择节点不同，列的标题/ 也不同if( tv.SelectedNode.ImageIndex = 0)lv.Columns.Add("书名",160,HorizontalAlignment.Left);lv.Columns.Add("页数",60,HorizontalAlignment.Right);lv.Columns.Add("价格",60,HorizontalAlignment.Right);elselv.Columns.Add("

9、标题",160,HorizontalAlignment.Left);lv.Columns.Add("字数",60,HorizontalAlignment.Right);lv.Columns.Add("页数",60,HorizontalAlignment.Right);int i = 300,j=20;int imgIndex = 0;if(tv.SelectedNode.ImageIndex = 1 )imgIndex = 1;/ 向列表视图中添加项foreach( TreeNode tn in tv.SelectedNode.Nodes)Li

10、stViewItem lvi = new ListViewItem(tn.Text,imgIndex);lvi.SubItems.Add(i.ToString();lvi.SubItems.Add(j.ToString();lv.Items.Add(lvi);i+= 100;j+=10;/ 列表视图的SelectedIndexChanged事件的处理方法private void lv_SelectedIndexChanged(object sender, System.EventArgs e)/ 把当前项的标题附加到树视图当前选择节点的完全路径的/ 后面并显示在文本框中if( lv.Selec

11、tedItems.Count>0 )txtPath.Text = tv.SelectedNode.FullPath + tv.PathSeparator + lv.SelectedItems0.Text;/ 快捷菜单contextMenuOfLv的各个菜单项的Click事件的处理方法/ 以大图标方式显示列表项private void miLargeIcon_Click(object sender, System.EventArgs e)miLargeIcon.Checked = True;miSmallIcon.Checked = False;miList.Checked = False

12、;miDetail.Checked = False;lv.View = System.Windows.Forms.View.LargeIcon;/ 以小图标方式显示列表项private void miSmallIcon_Click(object sender, System.EventArgs e)miLargeIcon.Checked = False;miSmallIcon.Checked = True;miList.Checked = False;miDetail.Checked = False;lv.View = System.Windows.Forms.View.SmallIcon;/

13、 以列表方式显示列表项private void miList_Click(object sender, System.EventArgs e)miLargeIcon.Checked = False;miSmallIcon.Checked = False;miList.Checked = True;miDetail.Checked = False;lv.View = System.Windows.Forms.View.List;/ 以详细资料方法显示列表项private void miDetail_Click(object sender, System.EventArgs e)miLargeIc

14、on.Checked = False;miSmallIcon.Checked = False;miList.Checked = False;miDetail.Checked = True;lv.View = System.Windows.Forms.View.Details;/ 以下为快捷菜单contextMenuOfTv中各个菜单项的Click/ 事件的处理方法/ 在当前选择的节点下添加一个新节点，新节点的名字为“新建节点”，添加之后，/ 用户可以在树视图中修改节点的名字private void miNewNode_Click(object sender, System.EventArgs

15、e)TreeNode tn = new TreeNode("新建节点");if( tv.SelectedNode.ImageIndex = 0 )tn.ImageIndex = 1;tn.SelectedImageIndex = 2;elsetn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.SelectedNode.Nodes.Add( tn );/ 删除当前选择节点及其所有子节点private void miDeleteNode_Click(object sender, System.EventArgs e)tv.Selecte

16、dNode.Remove();/ 展开所有节点private void miExpandAll_Click(object sender, System.EventArgs e)tv.ExpandAll();/ 收起所有节点private void miCollapseAll_Click(object sender, System.EventArgs e)tv.CollapseAll();/ 把树视图的路径分隔符在“|”和“”之间切换private void miChangeSep_Click(object sender, System.EventArgs e)if( tv.PathSeparator = "" )tv.PathSeparator = "|"elsetv.PathSeparator = ""/ 切换加减号的显示状态private void miShowPlu