private void ServerForm_Load(object sender, EventArgs e)
{
// Select "amps" protocol by default
cmbProtocol.SelectedIndex = 0;
cmbProtocol.Text = cmbProtocol.Items[0].ToString();
cmbMessageType.SelectedIndex = 0;
cmbMessageType.Text = cmbMessageType.Items[0].ToString();
updateControlStates();
}