private void btStart_Click(object sender, EventArgs e)
 {
     isCancel = false;
     tmDefault.Enabled = true;
     tmDefault.Start();
     #region setControl
     var clsInvoker = new clsInvoker();
     clsInvoker.setButton(btStart, false);
     clsInvoker.setButton(btStop, true);
     clsInvoker.setPictureBox(anWaiting, true);
     #endregion
 }
 private void btStop_Click(object sender, EventArgs e)
 {
     isCancel = true;
     syncTimer = 0;
     tmDefault.Stop();
     tmDefault.Enabled = false;
     bwDefault.CancelAsync();
     lblSyncTimer.Text = "";
     #region setControl
     var clsInvoker = new clsInvoker();
     clsInvoker.setButton(btStart, true);
     clsInvoker.setButton(btStop, false);
     clsInvoker.setPictureBox(anWaiting, false);
     #endregion
 }