Use Timer to update NotifyIcon : NotifyIcon : GUI Windows Forms C# Examples

    
using  System;
using  System.Drawing;
using  System.Windows.Forms;

public  class  NotifyIconTimerUpdate  :  Form
{
        private  Icon[]  images  =  new  Icon[8];

        int  index  =  0;

        public  NotifyIconTimerUpdate()
        {
                InitializeComponent();

                images[0]  =  new  Icon("1.ico");
                images[1]  =  new  Icon("2.ico");
                images[2]  =  new  Icon("3.ico");
                images[3]  =  new  Icon("4.ico");
                images[4]  =  new  Icon("5.ico");
                images[5]  =  new  Icon("1.ico");
                images[6]  =  new  Icon("2.ico");
                images[7]  =  new  Icon("3.ico");
        }

        private  void  timer_Elapsed(object  sender,  System.Timers.ElapsedEventArgs  e)
        {
                notifyIcon.Icon  =  images[index];
                index++;
                if  (index  >  7)  
                      index  =  0;
        }

        [STAThread]
        public  static  void  Main(string[]  args)
        {
                Application.Run(new  NotifyIconTimerUpdate());
        }
        private  System.Windows.Forms.NotifyIcon  notifyIcon;
        private  System.Timers.Timer  timer;
        
        private  System.ComponentModel.IContainer  components  =  null;

        private  void  InitializeComponent()
        {
                this.components  =  new  System.ComponentModel.Container();
                this.notifyIcon  =  new  System.Windows.Forms.NotifyIcon(this.components);
                this.timer  =  new  System.Timers.Timer();
                ((System.ComponentModel.ISupportInitialize)(this.timer)).BeginInit();
                this.SuspendLayout();
                //  
                //  notifyIcon
                //  
                this.notifyIcon.Text  =  "notifyIcon1";
                this.notifyIcon.Visible  =  true;
                //  
                //  timer
                //  
                this.timer.Enabled  =  true;
                this.timer.Interval  =  1000;
                this.timer.SynchronizingObject  =  this;
                this.timer.Elapsed  +=  new  System.Timers.ElapsedEventHandler(this.timer_Elapsed);
                //  
                //  NotifyIconTimerUpdate
                //  
                this.AutoScaleDimensions  =  new  System.Drawing.SizeF(6F,  13F);
                this.AutoScaleMode  =  System.Windows.Forms.AutoScaleMode.Font;
                this.ClientSize  =  new  System.Drawing.Size(340,  174);
                ((System.ComponentModel.ISupportInitialize)(this.timer)).EndInit();
                this.ResumeLayout(false);

        }
}