// Is friend
public bool IsContact(Person P )
{
string patter = P.Lastname + "#" + P.Firstname;
foreach( string s in _friendList.Keys )
{
if( patter == s )
{
return true;
}
foreach()
}
}
// Delete contact
public void DeleteContact( Person P )
{
string patter = P.Lastname + "#" + P.Firstname;
_friendList.Remove(patter);
}
// Add contact
public void AddContact( Person P )
{
string patter = P.Lastname + "#" + P.Firstname;
_friendList.Add(patter, P);
}