//----------------------------------------//
 //--- Add a new connector location pin ---//
 //----------------------------------------//
 protected override void btnAdd_Click(object sender, EventArgs e)
 {
     var form = new ConnectorLocationPinForm(_connectors);
     //--------------------------------------------------------------------------------------------------------------//
     //--- If there already locations in the list, then lets grab the last connector id and set it on the new pin ---//
     //--------------------------------------------------------------------------------------------------------------//
     var locationPin = new ConnectorLocation();
     if (lvList.Items.Count > 0)
         locationPin.connectorID = ((ConnectorLocation) lvList.Items[lvList.Items.Count - 1].Tag).connectorID;
     form.ConnectorLocation = locationPin;
     if (DialogResult.OK == form.ShowDialog())
     {
         AddConnectorLocation(form.ConnectorLocation);
     }
 }
 //------------------------------------------------//
 //--- Edit the selected connector location pin ---//
 //------------------------------------------------//
 protected override void btnEdit_Click(object sender, EventArgs e)
 {
     if (lvList.SelectedItems.Count > 0)
     {
         var location = (ConnectorLocation) lvList.SelectedItems[0].Tag;
         var form = new
             ConnectorLocationPinForm(_connectors);
         form.ConnectorLocation = location;
         if (DialogResult.OK == form.ShowDialog())
         {
             lvList.SelectedItems[0].Tag = form.ConnectorLocation;
             lvList.SelectedItems[0].Text = form.ConnectorLocation.connectorID;
             lvList.SelectedItems[0].SubItems[1].Text = form.ConnectorLocation.pinID;
         }
     }
 }