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Categories / C# Tutorial / GUI Windows Forms
 

The clock control

using System; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Data; using System.Windows.Forms; public class DigitalClock : System.Windows.Forms.UserControl {     private System.Windows.Forms.Timer timer1;     private System.ComponentModel.IContainer components;     public DigitalClock() {         this.components = new System.ComponentModel.Container();         this.timer1 = new System.Windows.Forms.Timer(this.components);         this.timer1.Enabled = true;         this.timer1.Interval = 1000;         this.timer1.Tick += new System.EventHandler(this.OnTick);         this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPaint);     }     private void OnPaint(object sender,  System.Windows.Forms.PaintEventArgs e) {         System.DateTime dt = System.DateTime.Now;         String Text = dt.ToLongTimeString();         e.Graphics.DrawString(Text, Font, new SolidBrush(ForeColor),ClientRectangle);     }     private void OnTick(object sender, System.EventArgs e) {         this.Refresh();     } } public class Form1 : System.Windows.Forms.Form {     private System.Windows.Forms.Label label1;     private DigitalClock clock= new DigitalClock();     public Form1() {         this.label1 = new System.Windows.Forms.Label();         this.SuspendLayout();         this.label1.Location = new System.Drawing.Point(16, 24);         this.label1.Size = new System.Drawing.Size(128, 16);         this.label1.Text = "Clock:";         this.clock.Location = new System.Drawing.Point(16, 50);         this.clock.Size = new System.Drawing.Size(128, 80);         this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);         this.ClientSize = new System.Drawing.Size(292, 273);         this.Controls.AddRange(new System.Windows.Forms.Control[] {               this.label1,               this.clock});         this.ResumeLayout(false);     }     [STAThread]     static void Main() {         Application.Run(new Form1());     } }