public SwitchRelayForm(List<Port> ports)
{
const string NAME = "name";
InitializeComponent();
SetGridColumnWidths();
Resize += new EventHandler(SwitchRelayForm_Resize);
this.ports = ports;
DataGridViewComboBoxColumn comboColumn1 = (DataGridViewComboBoxColumn)dgRelayConnections.Columns[0];
DataGridViewComboBoxColumn comboColumn2 = (DataGridViewComboBoxColumn)dgRelayConnections.Columns[1];
comboColumn1.DataSource = ports;
comboColumn1.DisplayMember = NAME;
comboColumn1.ValueMember = NAME;
comboColumn2.DataSource = ports;
comboColumn2.DisplayMember = NAME;
comboColumn2.ValueMember = NAME;
}