private void btnAddPort_Click( object sender, EventArgs e )
{
var port = new PhysicalInterfacePortsPort();
var form = new PhysicalInterfacePortForm( _physicalInterfaceConnectors );
if (DialogResult.OK == form.ShowDialog())
{
lvPorts.AddPort( form.Port );
//if (_physicalInterfacePorts.Port == null)
// _physicalInterfacePorts.Port = new List<PhysicalInterfacePortsPort>();
//_physicalInterfacePorts.Port.Add( form.Port );
}
}