樹視圖TreeView 屬性及方法

屬性
說明
Nodes
獲取分配給樹視圖控件的樹節點集合
PathSeparator
獲取或設置樹節點路徑所使用的分隔符串
SelesctedNode
獲取或設置當樹節點選定時所使用的圖像列表索引值
ShowNodeToolTips
獲取或設置一個值,用以指示樹圖中的樹節點是否經過排序
VisibleCount
獲取樹視圖控件黃總完全可見的樹節點數目
CollapseAll
折疊所有的樹節點
ExpandAll
展開所有的樹節點
GetNodeAt
檢索位於指定位置的 樹節點
GetNodeCount
檢索分配給樹視圖控件的樹節點數
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事件
說明
AfterCheck
在選中樹節點復選框後 發生
AfterCollapse
在選中樹節點復選框後發生
AfterExpand
在展開樹節點後發生
AfterSelect
在選定樹節點後發生
NodeMouseClick
當用戶使用鼠標單擊TreeView 時發生
NodeMouseDoubleClick
當用戶使用鼠標雙擊TreeNode 時發生
Form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace TreeViewTest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
treeView1.ContextMenuStrip=contextMenuStrip1; //設置樹空間的快捷菜單
TreeNode TopNode=treeView1.Nodes.Add("博主"); //建立第一個頂級節點
//建立4個基礎節點 ,分別表示 4個大的分支
TreeNode ParentNode1=new TreeNode("家人");
TreeNode ParentNode2=new TreeNode("朋友");
TreeNode ParentNode3=new TreeNode("老師");
TreeNode ParentNode4=new TreeNode("同學");
//將四個基礎節點添加到頂級節點中
TopNode.Nodes.Add(ParentNode1);
TopNode.Nodes.Add(ParentNode2);
TopNode.Nodes.Add(ParentNode3);
TopNode.Nodes.Add(ParentNode4);
//建立6個子節點,分別表示6個小的分支
TreeNode ChildNode1=new TreeNode("ShinePans");
TreeNode ChildNode2=new TreeNode("爸爸");
TreeNode ChildNode3=new TreeNode("媽媽");
TreeNode ChildNode4=new TreeNode("xuzhengmao");
TreeNode ChildNode5=new TreeNode("秦明");
TreeNode ChildNode6=new TreeNode("zhangyihui");
TreeNode ChildNode7=new TreeNode("xuzhengmao");
TreeNode ChildNode8=new TreeNode("zhangyihui");
ParentNode1.Nodes.Add(ChildNode1);
ParentNode1.Nodes.Add(ChildNode2);
ParentNode1.Nodes.Add(ChildNode3);
ParentNode4.Nodes.Add(ChildNode4);
ParentNode3.Nodes.Add(ChildNode5);
ParentNode4.Nodes.Add(ChildNode6);
ParentNode2.Nodes.Add(ChildNode7);
ParentNode2.Nodes.Add(ChildNode8);
}
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
{
label1.Text="選擇的部門:"+e.Node.Text;
}
private void 全部展開ToolStripMenuItem_Click(object sender, EventArgs e)
{
treeView1.ExpandAll();
}
private void 全部折疊ToolStripMenuItem_Click(object sender, EventArgs e)
{
treeView1.CollapseAll();
}
}
}
program.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace TreeViewTest
{
static class Program
{
///
/// 應用程序的主入口點。
///
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
//樹視圖
}
}
}
Form1設計
namespace TreeViewTest
{
partial class Form1
{
///
/// 必需的設計器變量。
///
private System.ComponentModel.IContainer components = null;
///
/// 清理所有正在使用的資源。
///
/// 如果應釋放托管資源,為 true;否則為 false。
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗體設計器生成的代碼
///
/// 設計器支持所需的方法 - 不要
/// 使用代碼編輯器修改此方法的內容。
///
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.treeView1 = new System.Windows.Forms.TreeView();
this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
this.label1 = new System.Windows.Forms.Label();
this.全部展開ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.全部折疊ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.contextMenuStrip1.SuspendLayout();
this.SuspendLayout();
//
// treeView1
//
this.treeView1.Location = new System.Drawing.Point(5, 7);
this.treeView1.Name = "treeView1";
this.treeView1.Size = new System.Drawing.Size(247, 294);
this.treeView1.TabIndex = 0;
this.treeView1.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.treeView1_AfterSelect);
//
// contextMenuStrip1
//
this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.全部展開ToolStripMenuItem,
this.全部折疊ToolStripMenuItem});
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.Size = new System.Drawing.Size(153, 70);
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(11, 320);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(0, 12);
this.label1.TabIndex = 2;
//
// 全部展開ToolStripMenuItem
//
this.全部展開ToolStripMenuItem.Name = "全部展開ToolStripMenuItem";
this.全部展開ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.全部展開ToolStripMenuItem.Text = "全部展開";
this.全部展開ToolStripMenuItem.Click += new System.EventHandler(this.全部展開ToolStripMenuItem_Click);
//
// 全部折疊ToolStripMenuItem
//
this.全部折疊ToolStripMenuItem.Name = "全部折疊ToolStripMenuItem";
this.全部折疊ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.全部折疊ToolStripMenuItem.Text = "全部折疊";
this.全部折疊ToolStripMenuItem.Click += new System.EventHandler(this.全部折疊ToolStripMenuItem_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(260, 361);
this.Controls.Add(this.label1);
this.Controls.Add(this.treeView1);
this.Name = "Form1";
this.Text = "樹視圖";
this.Load += new System.EventHandler(this.Form1_Load);
this.contextMenuStrip1.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.TreeView treeView1;
private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.ToolStripMenuItem 全部展開ToolStripMenuItem;
private System.Windows.Forms.ToolStripMenuItem 全部折疊ToolStripMenuItem;
}
}