scrolling text control crash

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C#

custom-controls

i want to move text every 400 millesecond
when i drag the control to windows form app the application crach and vs restart here

and the application ignore breakpoints
is my code i don't know the reason

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace NewsTicker
{
    public partial class UserControl1 : Control
    {
         private System.ComponentModel.Container components = null; 
        
         
        protected Timer m_Timer; // Timer for text animation.
        protected  static string sScrollText ="testApp"; // Text to be displayed 
        private static int counter = 0;
       
        private static string nCar=""; 
        public UserControl1()
        {
            m_Timer = new Timer(); 
            // Set the timer speed and properties.
            m_Timer.Interval = 400;
            m_Timer.Enabled = true;
            m_Timer.Tick += new EventHandler(this.TimerTick);
           
        }

        private void TimerTick(object sender, EventArgs e)
        {
            System.Diagnostics.Debugger.Break();
            ReadFromFile();
            Animate();
            Invalidate();
        }
       
        void Animate()
        {
            sScrollText = sScrollText.Substring(1,
                              sScrollText.Length - 1) + sScrollText.Substring(0, 1);
                
        }

       public static void  ReadFromFile()
        {
           System.Diagnostics.Debugger.Break();
            if (nCar.Equals(sScrollText) || sScrollText != "testApp")
            {

                sScrollText = File.ReadLines(@"E:\test.txt").Skip(counter).Take(1).First();

                nCar = sScrollText;
                counter++;
            }
            else
                sScrollText = sScrollText;

        }
      
      
        //protected override void OnTextChanged( EventArgs e )
        //{
        //    sScrollText = null; 
        //    base.OnTextChanged( e );
        //} 
        
        protected override void OnClick( EventArgs e )
        {
            m_Timer.Enabled ^= true; 
            base.OnClick( e );
        } 
       
        protected override void OnPaint( PaintEventArgs pe )
        {
                     
            // Draw the text string in the control.
            pe.Graphics.DrawString( sScrollText, this.Font, Brushes.Black, 0, 0 ); 
            base.OnPaint (pe); 
          
        }
    }
}