public int CntRentsInBuilding(int bId)
{
int cnt = 0;
foreach (Rent r in Rents)
{
if (bId == Classroom.CId2BId(r.cId))
{
++cnt;
}
}
return(cnt);
}
static public Classroom GetClassroom(int id)
{
Building b = GetBuilding(Classroom.CId2BId(id));
if (null == b)
{
return(null);
}
foreach (Classroom c in b.Classrooms)
{
if (c.cId == id)
{
return(c);
}
}
return(null);
}
