private void cmdOK_Click(object sender, EventArgs e) // OK button event handler
{
Camera.traceState = chkTrace.Checked;
Camera.coolerEnabledState = coolerCheckBox.Checked;
if (coolerComPortComboBox.SelectedItem != null) Camera.coolerComPortState = coolerComPortComboBox.SelectedItem.ToString();
else Camera.coolerEnabledState = false;
}