form1.cs

Csharp实例编程百例.rar

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace testTreeViewApp
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button btnExpand;
		private System.Windows.Forms.ImageList ilChinaArea;
		private System.Windows.Forms.TreeView tvChinaArea;
		private System.Windows.Forms.Button btnShowInfo;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.tvChinaArea = new System.Windows.Forms.TreeView();
			this.btnExpand = new System.Windows.Forms.Button();
			this.btnShowInfo = new System.Windows.Forms.Button();
			this.ilChinaArea = new System.Windows.Forms.ImageList(this.components);
			this.SuspendLayout();
			// 
			// tvChinaArea
			// 
			this.tvChinaArea.ImageList = this.ilChinaArea;
			this.tvChinaArea.Name = "tvChinaArea";
			this.tvChinaArea.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
																					new System.Windows.Forms.TreeNode("中国", 0, 0, new System.Windows.Forms.TreeNode[] {
																																										  new System.Windows.Forms.TreeNode("华北地区", 1, 1, new System.Windows.Forms.TreeNode[] {
																																																																  new System.Windows.Forms.TreeNode("北京市", 2, 2),
																																																																  new System.Windows.Forms.TreeNode("天津市", 2, 2)}),
																																										  new System.Windows.Forms.TreeNode("华东地区", 1, 1, new System.Windows.Forms.TreeNode[] {
																																																																  new System.Windows.Forms.TreeNode("上海市", 2, 2)}),
																																										  new System.Windows.Forms.TreeNode("东北地区", 1, 1)})});
			this.tvChinaArea.Size = new System.Drawing.Size(167, 272);
			this.tvChinaArea.TabIndex = 0;
			// 
			// btnExpand
			// 
			this.btnExpand.Location = new System.Drawing.Point(176, 176);
			this.btnExpand.Name = "btnExpand";
			this.btnExpand.TabIndex = 1;
			this.btnExpand.Text = "展开节点";
			this.btnExpand.Click += new System.EventHandler(this.btnExpand_Click);
			// 
			// btnShowInfo
			// 
			this.btnShowInfo.Location = new System.Drawing.Point(176, 232);
			this.btnShowInfo.Name = "btnShowInfo";
			this.btnShowInfo.TabIndex = 2;
			this.btnShowInfo.Text = "显示信息";
			this.btnShowInfo.Click += new System.EventHandler(this.btnShowInfo_Click);
			// 
			// ilChinaArea
			// 
			this.ilChinaArea.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
			this.ilChinaArea.ImageSize = new System.Drawing.Size(16, 16);
			this.ilChinaArea.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("ilChinaArea.ImageStream")));
			this.ilChinaArea.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(264, 273);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.btnShowInfo,
																		  this.btnExpand,
																		  this.tvChinaArea});
			this.Name = "Form1";
			this.Text = "testTreeView";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void btnExpand_Click(object sender, System.EventArgs e)
		{
			tvChinaArea.ExpandAll ();
		}

		private void btnShowInfo_Click(object sender, System.EventArgs e)
		{
			string AreaInfo;
			AreaInfo = tvChinaArea.SelectedNode.ToString ();
			MessageBox.Show ("You choose" + AreaInfo );
			
		}
	}
}