private void compileRunToolStripMenuItem_Click(object sender, EventArgs e)
{
    Thread runCode = new Thread(new ThreadStart(RunTheCode));
    runCode.Start();
}

public void RunTheCode()
{
	while(true)
	{
		//some code
		while(pause) ;
	}
}

public class Best
{
    volatile bool flag=true ;
    Thread thread;
    public Best()
    {
        thread=new Thread(new ThreadStart(Run));
        thread.Start();
    }
    public void Stop()
    {
        flag = false;
    }
    public void Run()
    {
 
        while (flag)
        {
            Console.WriteLine("{0}", DateTime.Now.ToShortTimeString());
        }
    }
}

  Best a = new Best();
  Thread.Sleep(1000); 
  a.Stop(); // Stop this thread after approximate 1000 millsec.

bool suspend = true;//  set to false to continue processing
void SuspendRun ()
{
    suspend = true;
    while (suspend)
        thread.Sleep(1000);
}
void ContinueRun()
{
    suspend = false; // will cause loop above to break and continue processing
}