private void backgroundWorker2_DoWork(object sender, DoWorkEventArgs e) { double deviation = Double.Parse(deviationTextBox.Text); double radius = Double.Parse(radiusTextBox.Text); double height = Double.Parse(heightTextBox.Text); if (circleLensCheck.Checked) { eyeDisplay.PreProcessLensCircle(deviation, radius, height); } else { eyeDisplay.PreProcessLensBuffer(deviation, radius, height); } }