public override string ToString()
{
string ch = base.ToString() + ((LstActivities.Count() != 0) ? " a choisi..." : "n'a pas encore choisi d'activité");
int i;
for (i = 0; i < LstActivities.Count(); i++)
{
ch += " " + LstActivities.ElementAt(i) + ",";
}
return(ch);
}
public void AddActivity(Activity act)
{
LstActivities.Add(act);
}