using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace WindowsApplication9 { /// /// Summary description for Form1. /// public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.ListBox listBox1; private System.Windows.Forms.StatusBar statusBar1; private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.Button button1; /// /// Required designer variable. /// private System.ComponentModel.Container components = null; public Form1() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// /// Clean up any resources being used. /// protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// private void InitializeComponent() { this.groupBox1 = new System.Windows.Forms.GroupBox(); this.listBox1 = new System.Windows.Forms.ListBox(); this.statusBar1 = new System.Windows.Forms.StatusBar(); this.label1 = new System.Windows.Forms.Label(); this.textBox1 = new System.Windows.Forms.TextBox(); this.button1 = new System.Windows.Forms.Button(); this.groupBox1.SuspendLayout(); this.SuspendLayout(); // // groupBox1 // this.groupBox1.Controls.Add(this.statusBar1); this.groupBox1.Controls.Add(this.listBox1); this.groupBox1.Location = new System.Drawing.Point(8, 8); this.groupBox1.Name = "groupBox1"; this.groupBox1.Size = new System.Drawing.Size(192, 168); this.groupBox1.TabIndex = 0; this.groupBox1.TabStop = false; this.groupBox1.Text = "groupBox1"; // // listBox1 // this.listBox1.Location = new System.Drawing.Point(8, 16); this.listBox1.Name = "listBox1"; this.listBox1.Size = new System.Drawing.Size(176, 121); this.listBox1.TabIndex = 0; // // statusBar1 // this.statusBar1.Location = new System.Drawing.Point(3, 143); this.statusBar1.Name = "statusBar1"; this.statusBar1.Size = new System.Drawing.Size(186, 22); this.statusBar1.TabIndex = 1; this.statusBar1.Text = "statusBar1"; // // label1 // this.label1.Location = new System.Drawing.Point(208, 16); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(128, 24); this.label1.TabIndex = 1; this.label1.Text = "Show counter running while the listbox loads:"; // // textBox1 // this.textBox1.Location = new System.Drawing.Point(208, 48); this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(128, 20); this.textBox1.TabIndex = 2; this.textBox1.Text = "0"; this.textBox1.TextAlign = System.Windows.Forms.HorizontalAlignment.Center; // // button1 // this.button1.Location = new System.Drawing.Point(208, 152); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(128, 23); this.button1.TabIndex = 3; this.button1.Text = "Do it"; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(344, 182); this.Controls.Add(this.button1); this.Controls.Add(this.textBox1); this.Controls.Add(this.label1); this.Controls.Add(this.groupBox1); this.Name = "Form1"; this.Text = "Form1"; this.Load += new System.EventHandler(this.Form1_Load); this.groupBox1.ResumeLayout(false); this.ResumeLayout(false); } #endregion /// /// The main entry point for the application. /// [STAThread] static void Main() { Application.Run(new Form1()); } private System.Timers.Timer Tmr = new System.Timers.Timer(1000); private int secondslapsed = 0; private System.Threading.Thread loadThread; private void Form1_Load(object sender, System.EventArgs e) { System.Threading.ThreadStart ThrdStart = new System.Threading.ThreadStart(LoadListbox1); loadThread = new System.Threading.Thread(ThrdStart); Tmr.Elapsed += new System.Timers.ElapsedEventHandler(TmrElapse); button1.Click += new System.EventHandler(ClickMe); Tmr.Start(); } public void TmrElapse(object source, System.Timers.ElapsedEventArgs e) { secondslapsed++; this.textBox1.Text = Convert.ToString(secondslapsed); } public void ClickMe(object source, System.EventArgs e) { if (loadThread.ThreadState != System.Threading.ThreadState.Running) loadThread.Start(); } public void LoadListbox1() { String input; System.IO.TextReader txtReader = System.IO.File.OpenText("C:\\SuperCargantuousFile.txt"); while((input = txtReader.ReadLine())!= null) { listBox1.Items.Add(input); } txtReader.Close(); } } }