向樹視圖中添加節(jié)點

1、/ <summary>/ 向樹視圖中添加節(jié)點/ </summary>private void AddTreeViewNodes()/ 添加根節(jié)點TreeNode tn = new TreeNode();tn.Text = "金庸小說"tn.ImageIndex = 0;tn.SelectedImageIndex = 0;tv.Nodes.Add(TreeNode)(tn.Clone();/ 添加4個子節(jié)點tn.Text = "射雕英雄傳"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.

2、Nodes0.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "神雕俠侶"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes0.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "天龍八部"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes0.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "倚天屠龍記"tn.ImageIndex

3、 = 1;tn.SelectedImageIndex = 2;tv.Nodes0.Nodes.Add(TreeNode)(tn.Clone();/ 添加根節(jié)點tn.Text = "古龍小說"tn.ImageIndex = 0;tn.SelectedImageIndex = 0;tv.Nodes.Add(TreeNode)(tn.Clone();/ 添加根節(jié)點tn.Text = "黃易小說"tn.ImageIndex = 0;tn.SelectedImageIndex = 0;tv.Nodes.Add(TreeNode)(tn.Clone();/ 添加3個

4、子節(jié)點tn.Text = "大唐雙龍傳"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes2.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "尋秦記"tn.ImageIndex = 1;tn.SelectedImageIndex = 2;tv.Nodes2.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "第1章 時空機器"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;t

5、v.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "第2章 墨子劍法"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text = "第3章 初會秦皇"tn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.Nodes2.Nodes1.Nodes.Add(TreeNode)(tn.Clone();tn.Text =

6、 "第4章 一統(tǒng)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();/ 構造函數(shù)public Form1()/ Required for Windows Form Designer support/InitializeC

7、omponent();/ TODO: Add any constructor code after InitializeComponent call/ 調用向樹視圖中添加節(jié)點的方法AddTreeViewNodes();/ 樹視圖控件tv的AfterSelect事件的處理方法private void tv_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)/ 在文本框中顯示當前選擇節(jié)點的完全路徑txtPath.Text = tv.SelectedNode.FullPath;/ 在列表視圖中顯示當前選擇節(jié)點的所有

8、子節(jié)點lv.Clear();/ 首先清除列表視圖的所有列和項/ 向列表視圖中添加列，當前選擇節(jié)點不同，列的標題/ 也不同if( tv.SelectedNode.ImageIndex = 0)lv.Columns.Add("書名",160,HorizontalAlignment.Left);lv.Columns.Add("頁數(shù)",60,HorizontalAlignment.Right);lv.Columns.Add("價格",60,HorizontalAlignment.Right);elselv.Columns.Add("

9、標題",160,HorizontalAlignment.Left);lv.Columns.Add("字數(shù)",60,HorizontalAlignment.Right);lv.Columns.Add("頁數(shù)",60,HorizontalAlignment.Right);int i = 300,j=20;int imgIndex = 0;if(tv.SelectedNode.ImageIndex = 1 )imgIndex = 1;/ 向列表視圖中添加項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;/ 列表視圖的SelectedIndexChanged事件的處理方法private void lv_SelectedIndexChanged(object sender, System.EventArgs e)/ 把當前項的標題附加到樹視圖當前選擇節(jié)點的完全路徑的/ 后面并顯示在文本框中if( lv.Selec

11、tedItems.Count>0 )txtPath.Text = tv.SelectedNode.FullPath + tv.PathSeparator + lv.SelectedItems0.Text;/ 快捷菜單contextMenuOfLv的各個菜單項的Click事件的處理方法/ 以大圖標方式顯示列表項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;/ 以小圖標方式顯示列表項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、 以列表方式顯示列表項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;/ 以詳細資料方法顯示列表項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;/ 以下為快捷菜單contextMenuOfTv中各個菜單項的Click/ 事件的處理方法/ 在當前選擇的節(jié)點下添加一個新節(jié)點，新節(jié)點的名字為“新建節(jié)點”，添加之后，/ 用戶可以在樹視圖中修改節(jié)點的名字private void miNewNode_Click(object sender, System.EventArgs

15、e)TreeNode tn = new TreeNode("新建節(jié)點");if( tv.SelectedNode.ImageIndex = 0 )tn.ImageIndex = 1;tn.SelectedImageIndex = 2;elsetn.ImageIndex = 3;tn.SelectedImageIndex = 4;tv.SelectedNode.Nodes.Add( tn );/ 刪除當前選擇節(jié)點及其所有子節(jié)點private void miDeleteNode_Click(object sender, System.EventArgs e)tv.Selecte

16、dNode.Remove();/ 展開所有節(jié)點private void miExpandAll_Click(object sender, System.EventArgs e)tv.ExpandAll();/ 收起所有節(jié)點private void miCollapseAll_Click(object sender, System.EventArgs e)tv.CollapseAll();/ 把樹視圖的路徑分隔符在“|”和“”之間切換private void miChangeSep_Click(object sender, System.EventArgs e)if( tv.PathSeparator = "" )tv.PathSeparator = "|"elsetv.PathSeparator = ""/ 切換加減號的顯示狀態(tài)private void miShowPlu