private void btnGetCorrection_Click(object sender, EventArgs e) { double M1, Offset, M2; if (!Newport.GetCorrection(out M1, out Offset, out M2)) { MessageBox.Show("Unable to read power correction values from meter"); } txtM1.Text = M1.ToString("G4"); txtOffset.Text = Offset.ToString("G4"); txtM2.Text = M2.ToString("G4"); }