Csharp/C Sharp by API/System/Timer

new Timer()

<source lang="csharp">

 using System;
 using System.Drawing;
 using System.Drawing.Text;
 using System.Collections;
 using System.ruponentModel;
 using System.Windows.Forms;
 using System.Data;

 public class FontForm : System.Windows.Forms.Form
 {
   private Timer timer;
   private int swellValue;
   private string fontFace = "WingDings";
   public FontForm()
   {
     InitializeComponent();
     timer = new Timer();
     Text = "Font App";
     Width = 425;
     Height = 150;
     BackColor = Color.Honeydew;
     CenterToScreen();
     timer.Enabled = true;
     timer.Interval = 100;
     timer.Tick += new EventHandler(FontForm_OnTimer);
   }
   private void InitializeComponent()
   {
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 253);
     this.Text = "Form1";
     this.Resize += new System.EventHandler(this.FontForm_Resize);
     this.Paint += new System.Windows.Forms.PaintEventHandler(this.FontForm_Paint);
   }
   static void Main() 
   {
     Application.Run(new FontForm());
   }
   private void FontForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
   {
     Graphics g = e.Graphics;
     Font theFont = new Font(fontFace, 12 + swellValue);
     string message = "www.nfex.ru";  
 
     float windowCenter = this.DisplayRectangle.Width / 2;             
     SizeF stringSize = e.Graphics.MeasureString(message, theFont);
     float startPos = windowCenter - (stringSize.Width / 2);
     g.DrawString(message, theFont, 
       new SolidBrush(Color.Blue), startPos, 10);
   }
   private void FontForm_Resize(object sender, System.EventArgs e)
   {
     Rectangle myRect = new Rectangle(0, 100, 
       ClientRectangle.Width, ClientRectangle.Height); 
     Invalidate(myRect);
   }
   private void FontForm_OnTimer(object sender, EventArgs e)
   {
     swellValue += 5;
     if(swellValue >= 50)
       swellValue = 0;
     Invalidate(new Rectangle(0, 0, ClientRectangle.Width, 100));
   }
 }
  
 </source>