private void buttonDelete_Click(object sender, EventArgs e)
{
string command = comboBoxCommand.Text;
string device = comboBoxDeviceAddress.Text;
if (MessageBox.Show("Really delete?", "Confirm delete", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
dbMgr.RemoveCommand(device, command);
dbMgr.SaveConfig();
this.Close();
}
}