ListView.SelectedItems.Item[ 0 ].Text

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

namespace WindowsApplication2
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.Button button1;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// 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()
		{
			System.Windows.Forms.ListViewItem listViewItem1 = new System.Windows.Forms.ListViewItem( "парарам" );
			this.listView1 = new System.Windows.Forms.ListView();
			this.button1 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// listView1
			// 
			this.listView1.Items.AddRange(new System.Windows.Forms.ListViewItem[] {
																					  listViewItem1});
			this.listView1.Location = new System.Drawing.Point( 16 ,  64 );
			this.listView1.Name =  "listView1" ;
			this.listView1.TabIndex =  0 ;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point( 200 ,  32 );
			this.button1.Name =  "button1" ;
			this.button1.TabIndex =  1 ;
			this.button1.Text =  "button1" ;
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size( 5 ,  13 );
			this.ClientSize = new System.Drawing.Size( 292 ,  273 );
			this.Controls.Add(this.button1);
			this.Controls.Add(this.listView1);
			this.Name =  "Form1" ;
			this.Text =  "Form1" ;
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			MessageBox.Show(this, listView1.SelectedItems[ 0 ].Text);
		}
	}
}