private void button2_Click(object sender, EventArgs e)
{
button2.Enabled = false;
if (objProcess == null)
{
objProcess = new Process(Convert.ToInt32(textBox1.Text), Convert.ToInt32(textBox2.Text), stepf, Double.Parse(textBox3.Text));
thread = new Thread(new ThreadStart(startNFMeasurement));
thread.Name = "NF Measurement Loop";
thread.Priority = ThreadPriority.Highest;
thread.Start();
}
}