private void ComboBoxBaudRate_SelectedIndexChanged(object sender, EventArgs e) { Device device = devicesFound.Find(d => d.ID == ((ComboBox)sender).Parent.Text); device.BaudRateStr = (string)((ComboBox)sender).SelectedItem; if (device is UHFReader) { ((UHFReader)device).FBaud = ByteConversion.GetBaudRateIndexByte(device.BaudRateStr); } }