public Station GetRandomStation()
{
List <Station> availableStations = new List <Station>();
foreach (Station s in stations)
{
if (s.HasActiveEvent() == false)
{
availableStations.Add(s);
}
}
if (availableStations.Count == 0)
{
return(null);
}
if (availableStations.Count == 1)
{
return(availableStations[0]);
}
RandomList <Station> rd = new RandomList <Station>(stations);
return(rd.Pick());
}