form1.cs

自定义控件

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

namespace ListViewEmbeddedControls
{
	/// <summary>
	/// Zusammenfassung f黵 Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private ListViewEx listView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.Timer timer1;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.Label label1;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// Erforderlich f黵 die Windows Form-Designerunterst黷zung
			//
			InitializeComponent();
		}

		/// <summary>
		/// Die verwendeten Ressourcen bereinigen.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Vom Windows Form-Designer generierter Code
		/// <summary>
		/// Erforderliche Methode f黵 die Designerunterst黷zung. 
		/// Der Inhalt der Methode darf nicht mit dem Code-Editor ge鋘dert werden.
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Windows.Forms.ListViewItem listViewItem1 = new System.Windows.Forms.ListViewItem("Item1");
			System.Windows.Forms.ListViewItem listViewItem2 = new System.Windows.Forms.ListViewItem("Item2");
			System.Windows.Forms.ListViewItem listViewItem3 = new System.Windows.Forms.ListViewItem("Item3");
			System.Windows.Forms.ListViewItem listViewItem4 = new System.Windows.Forms.ListViewItem("Item4");
			System.Windows.Forms.ListViewItem listViewItem5 = new System.Windows.Forms.ListViewItem("Item5");
			System.Windows.Forms.ListViewItem listViewItem6 = new System.Windows.Forms.ListViewItem("Item6");
			System.Windows.Forms.ListViewItem listViewItem7 = new System.Windows.Forms.ListViewItem("Item7");
			System.Windows.Forms.ListViewItem listViewItem8 = new System.Windows.Forms.ListViewItem("Item8");
			this.listView1 = new ListViewEmbeddedControls.ListViewEx();
			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.timer1 = new System.Windows.Forms.Timer(this.components);
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.label1 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// listView1
			// 
			this.listView1.AllowColumnReorder = true;
			this.listView1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader1,
																						this.columnHeader2,
																						this.columnHeader3});
			this.listView1.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.listView1.FullRowSelect = true;
			this.listView1.HideSelection = false;
			this.listView1.Items.AddRange(new System.Windows.Forms.ListViewItem[] {
																					  listViewItem1,
																					  listViewItem2,
																					  listViewItem3,
																					  listViewItem4,
																					  listViewItem5,
																					  listViewItem6,
																					  listViewItem7,
																					  listViewItem8});
			this.listView1.Location = new System.Drawing.Point(16, 32);
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(368, 240);
			this.listView1.TabIndex = 0;
			this.listView1.View = System.Windows.Forms.View.Details;
			this.listView1.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.listView1_ColumnClick);
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "ColumnHeader1";
			this.columnHeader1.Width = 119;
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "ColumnHeader2";
			this.columnHeader2.Width = 124;
			// 
			// columnHeader3
			// 
			this.columnHeader3.Text = "ColumnHeader3";
			this.columnHeader3.Width = 121;
			// 
			// imageList1
			// 
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// timer1
			// 
			this.timer1.Enabled = true;
			this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// comboBox1
			// 
			this.comboBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.comboBox1.Location = new System.Drawing.Point(16, 280);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(128, 21);
			this.comboBox1.TabIndex = 1;
			this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(352, 16);
			this.label1.TabIndex = 2;
			this.label1.Text = "The columns can be reordered and sorted";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(400, 302);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.comboBox1);
			this.Controls.Add(this.listView1);
			this.Name = "Form1";
			this.Text = "Sample for Controls embedded in a ListView";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// Der Haupteinstiegspunkt f黵 die Anwendung.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.EnableVisualStyles();
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			// Create some controls and embed them in our ListView

			// First, a button:
			Button b = new Button();
			b.Text = "ClickMe";
			b.BackColor = SystemColors.Control;
			b.Font = this.Font;
			b.Click += new EventHandler(b_Click);
			// Put it in the first column of the fourth row
			listView1.AddEmbeddedControl(b, 0, 3);

			// Second, a RichTextBox (slightly modified to make it non-selectable)
			ReadOnlyRichTextBox rtb = new ReadOnlyRichTextBox();
			rtb.ScrollBars = RichTextBoxScrollBars.None;
			rtb.BorderStyle = BorderStyle.None;
			rtb.WordWrap = false;
			rtb.BackColor = Color.White;
			rtb.Cursor = Cursors.Default;
			rtb.Rtf = @"{\rtf1\ansi\ansicpg1252\deff0\deflang1031{\fonttbl{\f0\fnil\fcharset0 Arial;}}{\colortbl ;\red255\green0\blue0;}\viewkind4\uc1\pard\fs14 Sample\cf1\b\fs20 Entry\cf0\par}";
			// Embed it
			listView1.AddEmbeddedControl(rtb, 2, 5);

			// Third, a number of ProcessBars that will be updated by a timer
			Random r = new Random();
			foreach (ListViewItem i in listView1.Items)
			{
				int cnt = r.Next(100);
				i.SubItems.Add(cnt.ToString());

				ProgressBar pb = new ProgressBar();
				pb.Value = cnt;
				pb.Click += new EventHandler(pb_Click);

				// Embed the ProgressBar in Column 2
				listView1.AddEmbeddedControl(pb, 1, i.Index);
			}

			// Fill the View ComboBox
			Array a = Enum.GetValues(typeof(View));
			foreach (View v in a)
			{
				comboBox1.Items.Add(v.ToString());
			}
			// Default view is Details
			comboBox1.Text = View.Details.ToString();
		}

		private void b_Click(object sender, EventArgs e)
		{
			MessageBox.Show(this, "Thank you!");
		}

		// Once an embedded ProgressBar is clicked, it's removed from the ListView.
		// This way the ListViewSubItem's Text value becomes visible.
		private void pb_Click(object sender, EventArgs e)
		{
			listView1.RemoveEmbeddedControl(sender as Control);
		}

		// Update embedded ProgressBars
		private Random rnd = new Random();
		private void timer1_Tick(object sender, System.EventArgs e)
		{
			int row = rnd.Next(listView1.Items.Count);

			ProgressBar pb = listView1.GetEmbeddedControl(1, row) as ProgressBar;
			if (pb==null)
			{
				int val = int.Parse(listView1.Items[row].SubItems[1].Text);
				val += 5;
				if (val>100)
					val=0;

				listView1.Items[row].SubItems[1].Text = val.ToString();
				return;
			}

			if (pb.Value >= pb.Maximum-5)
				pb.Value = pb.Minimum;
			else
				pb.Value += 5;

			listView1.Items[row].SubItems[1].Text = pb.Value.ToString();
		}


		// Switch ListView View
		private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			View v = (View)Enum.Parse(typeof(View),comboBox1.Text,true);
			listView1.View = v;
		}

		// Sort ListView
		private void listView1_ColumnClick(object sender, System.Windows.Forms.ColumnClickEventArgs e)
		{
			switch (listView1.Sorting)
			{
				case SortOrder.None:
				case SortOrder.Ascending:
					listView1.Sorting = SortOrder.Descending;
					break;
				case SortOrder.Descending:
					listView1.Sorting = SortOrder.Ascending;
					break;
			}
		}

	}
}