trytreelistview.cs

树形列表控件

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

namespace TryTreeListView
{
	/// <summary>
	/// Summary description for TryTreeListView.
	/// </summary>
	public class TryTreeListView : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TreeListView treeListView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.ComponentModel.IContainer components;

		public TryTreeListView()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(TryTreeListView));
			this.treeListView1 = new System.Windows.Forms.TreeListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// treeListView1
			// 
			this.treeListView1.AllowColumnReorder = true;
			this.treeListView1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right);
			this.treeListView1.CheckBoxes = System.Windows.Forms.CheckBoxesTypes.Recursive;
			this.treeListView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																							this.columnHeader1,
																							this.columnHeader2,
																							this.columnHeader3});
			this.treeListView1.HideSelection = false;
			this.treeListView1.LabelEdit = true;
			this.treeListView1.Location = new System.Drawing.Point(4, 4);
			this.treeListView1.Name = "treeListView1";
			this.treeListView1.Size = new System.Drawing.Size(392, 180);
			this.treeListView1.SmallImageList = this.imageList1;
			this.treeListView1.TabIndex = 0;
			this.treeListView1.BeforeLabelEdit += new System.Windows.Forms.TreeListViewBeforeLabelEditEventHandler(this.treeListView1_BeforeLabelEdit);
			this.treeListView1.BeforeCollapse += new System.Windows.Forms.TreeListViewCancelEventHandler(this.treeListView1_BeforeCollapse);
			this.treeListView1.BeforeExpand += new System.Windows.Forms.TreeListViewCancelEventHandler(this.treeListView1_BeforeExpand);
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "Name";
			this.columnHeader1.Width = 200;
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "Attribute";
			this.columnHeader2.Width = 100;
			// 
			// imageList1
			// 
			this.imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// button1
			// 
			this.button1.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left);
			this.button1.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.button1.Location = new System.Drawing.Point(8, 192);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(112, 23);
			this.button1.TabIndex = 1;
			this.button1.Text = "Add / Remove All";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right);
			this.button2.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.button2.Location = new System.Drawing.Point(264, 192);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(128, 23);
			this.button2.TabIndex = 2;
			this.button2.Text = "Expand / Collapse All";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// TryTreeListView
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(400, 219);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.button2,
																		  this.button1,
																		  this.treeListView1});
			this.Name = "TryTreeListView";
			this.Text = "TryTreeListView";
			this.Load += new System.EventHandler(this.TryTreeListView_Load);
			this.ResumeLayout(false);

		}
		#endregion

		[STAThread]
		static void Main() 
		{
			Application.Run(new TryTreeListView());
		}

		private void TryTreeListView_Load(object sender, System.EventArgs e)
		{
			AddItems();
		}

		private void treeListView1_BeforeExpand(object sender, System.Windows.Forms.TreeListViewCancelEventArgs e)
		{
			if(e.Item.ImageIndex == 1) e.Item.ImageIndex = 2;
		}

		private void treeListView1_BeforeCollapse(object sender, System.Windows.Forms.TreeListViewCancelEventArgs e)
		{
			if(e.Item.ImageIndex == 2) e.Item.ImageIndex = 1;
		}

		private void treeListView1_BeforeLabelEdit(object sender, System.Windows.Forms.TreeListViewBeforeLabelEditEventArgs e)
		{
			if(e.Item.ImageIndex < 1 || e.Item.ImageIndex > 2)
				e.ColumnIndex = 0;
			if(e.ColumnIndex == 1)
			{
				ComboBox combobox = new ComboBox();
				combobox.Items.AddRange(new string[]{"New value 1","New value 2","New value 3"});
				e.Editor = combobox;
			}
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(treeListView1.Items.Count > 0)
				treeListView1.Items.Clear();
			else
				AddItems();
		}

		bool collapse = false;
		private void button2_Click(object sender, System.EventArgs e)
		{
			if(collapse) treeListView1.CollapseAll();
			else treeListView1.ExpandAll();
			collapse = !collapse;
		}

		private void AddItems()
		{
			for(int k = 0; k < 4; k++)
			{
				TreeListViewItem itemA = new TreeListViewItem("Drive " + Enum.GetName(typeof(Drives), k), 0);
				itemA.Expand();
				itemA.SubItems.Add(Enum.GetName(typeof(DrivesDescr), k) + " drive");
				treeListView1.Items.Add(itemA);
				for(int i = 1; i < 11; i++)
				{
					TreeListViewItem item = new TreeListViewItem("Folder " + i.ToString(), 1);
					itemA.Items.Add(item);
					ListViewItem.ListViewSubItem subitem = item.SubItems.Add((Math.Abs(2-i)).ToString());
//					subitem.ForeColor = Color.FromArgb(173,194,231);
//					subitem.BackColor = Color.Yellow;
//					subitem.Font = new Font(subitem.Font, FontStyle.Bold | FontStyle.Underline);
					for(int j = 1; j < 5; j++)
						item.Items.Add("Sub " + j, 3);
				}
			}
		}
	
		private enum DrivesDescr{First, Second, Third, Fourth}
		private enum Drives{C, D, E, Z}
	}
}