public UsersBase LogIn(string username, string password)
{
UsersBase current = head;
while (current != null)
{
if (username == current.Username && current.ChackPassword(password))
{
return(current);
}
current = current.NextUser;
}
return(null);
}
public override bool Remove()
{
UsersBase pre = null;
UsersBase cur = head;
Console.Write("Username: "******"Password: ");
string password = Console.ReadLine();
while (cur != null)
{
if (username == cur.Username && cur.ChackPassword(password))
{
if (pre != null)
{
pre.NextUser = cur.NextUser;
if (cur.NextUser == null)
{
tail = pre;
}
}
else
{
head = head.NextUser;
if (head.NextUser == null)
{
tail = null;
}
}
CountUsers--;
return(true);
}
pre = cur;
cur = cur.NextUser;
}
return(false);
}
