private void setDFUModeToolStripMenuItem_Click(object sender, EventArgs e) { if (currentSpectrometer == null) { return; } DialogResult result = MessageBox.Show("Are you sure? This mode is used for reflashing ARM firmware, and could brick your spectrometer.", "Extreme Caution Alert", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2); if (result != DialogResult.Yes) { return; } currentSpectrometer.setDFUMode(); }