/// <summary>
/// Returns a list of updated CircuitProperties to be passed into the StateControls
/// </summary>
public CircuitPropertyCollection GetUpdatedCircuitProperties(Action <string> registerChange)
{
if (!selections.SetEquals(oldSelections))
{
CircuitPropertyCollection circuitProperties = CircuitPropertyCollection.Empty;
oldSelections.Clear();
oldSelections.UnionWith(selections);
foreach (var selection in selections)
{
circuitProperties.Intersect(CircuitAttributes.GetProperties(selection, registerChange));
}
return(circuitProperties);
}
return(null);
}
