[SFML] Problem z sf::SocketUDP

sf::SocketUDP Socket;
if( !Socket.Bind( 4567 ) )
{
    // Error...
}
char Buffer[ 128 ];
std::size_t Received;
sf::IPAddress Sender;
unsigned short Port;
if( Socket.Receive( Buffer, sizeof( Buffer ), Received, Sender, Port ) != sf::Socket::Done )
{
    // Error...
}

bool ReceiveWithTimeout( sf::SocketTCP Socket, sf::Packet & Packet, unsigned int Timeout = 0 )
{
    sf::SelectorTCP Selector;
    Selector.Add( Socket );
   
    std::vector < sf::SocketTCP > Ready;
    if( Selector.GetSocketsReady( Ready, Timeout ) )
    {
        Socket.Receive( Packet );
        return true;
    }
    else
    {
        return false;
    }
}