private City[] GetCitiesToVisit()
{
int numCities = citiesToVisitListBox.Items.Count;
string[] cityNames = new string[numCities];
City[] citiesToVisit = new City[numCities];
citiesToVisitListBox.Items.CopyTo(cityNames, 0);
for (int i = 0; i < numCities; i++)
{
citiesToVisit[i] = Cities.GetCityByName(cityNames[i]);
}
return(citiesToVisit);
}