protected override void OnBarUpdate()
        {
        
			if (CurrentBar == 0) return;
   			linedata ld = new linedata();
   			ld.id = "ld"+CurrentBar.ToString();
   			ld.startbar = CurrentBar-1;
   			ld.value = Close[1];
   			ld.count = 0;
   			lines.Add(ld);
   			foreach(linedata id in lines) {
      		        if (ld.value >= Low[0] && ld.value <= High[0])
         	       ++ld.count;
      		       if (ld.count <= 3)
         	
			DrawLine(ld.id, false, CurrentBar-ld.startbar, ld.value, -90000, ld.value, Color.Red, DashStyle.Solid, 1);
     			 else
         			lines.RemoveAll(ld); // don't need to track this line anymore 
				
					
   }

                            
#region Using declarations
// add this
using System.Collections.Generic; // needed for List class
#endregion

//...

        #region Variables
        // parameters
        private int maxcount = 3; // Default setting for Count
        // other
        private class linedata {
            public string id;
            public int count, startbar;
            public double value;
            public linedata(int currentbar, double val) {
                id = "ln"+currentbar.ToString();
                startbar = currentbar - 1;
                value = val;
                count = 0;
            }
        }
        private List<linedata> lines, to_remove;
        #endregion

        /// <summary>
        /// This method is used to configure the indicator and is called once before any bar data is loaded.
        /// </summary>
        protected override void Initialize()
        {
            lines = new List<linedata>();
            to_remove = new List<linedata>();
            Overlay = true;
            CalculateOnBarClose = true;
        }

        /// <summary>
        /// Called on each bar update event (incoming tick)
        /// </summary>
        protected override void OnBarUpdate()
        {
            if (CurrentBar == 0) return;
            lines.Add(new linedata(CurrentBar, Close[1]));
            to_remove.Clear();
            foreach(linedata d in lines) {
                if (d.value >= Low[0] && d.value <= High[0])
                    ++d.count;
                if (d.count <= maxcount)
                    DrawLine(d.id, false, CurrentBar-d.startbar, d.value, 0, d.value, Color.Red, DashStyle.Solid, 1);
                if (d.count >= maxcount) // we can stop extending this line
                    to_remove.Add(d);    // add line to removal queue
            }
            foreach(linedata d in to_remove) // empty the removal queue
                lines.Remove(d);
        }