Thread sampleThread;

        private void DoInSeparateThread()
        {

            System.Windows.Forms.Control.CheckForIllegalCrossThreadCalls = false;
            ThreadStart myThreadDelegate = new ThreadStart(DoSomethingMehtod);
            sampleThread = new Thread(myThreadDelegate);
            sampleThread.IsBackground = true;
            sampleThread.SetApartmentState(ApartmentState.STA);
            sampleThread.Start();
        }
        private void DoSomethingMehtod()
        {

            try
            {
                //Do Something
                sampleThread.Abort();
                sampleThread.Join();

            }
            catch (ThreadAbortException e)
            {
                Thread.ResetAbort();
            }
            

        }

       private void button1_Click(object sender, EventArgs e)
        {
            DoInSeparateThread();
         
        }