private void stopBtn_Click(object sender, EventArgs e)
 {
     if (Check_Enabled == true)
     {
         Check_Enabled = false;
         CheckCount.Stop();
     }
 }
 private void startBtn_Click(object sender, EventArgs e)
 {
     unverified    = 0;
     errosCount    = 0;
     verifiedCount = 0;
     string[] result = TokensTxtBox.Text.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
     Check_Enabled = true;
     CheckCount.Start();
     t = new Thread(() =>
     {
         Check(result);
     });
     t.Start();
 }