private void cmbConnectorPinConfiguration_SelectedIndexChanged( object sender, EventArgs e )
{
if (-1 != cmbConnectorPinConfiguration.SelectedIndex)
{
connectorPinList.Clear();
var config
= (dbConnectorConfiguration) cmbConnectorPinConfiguration.SelectedItem;
foreach (dbConnectorPin pin in config.Pins)
connectorPinList.AddPin( pin );
}
}