Socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if(Socket == INVALID_SOCKET)
		throw UDPSenderException("UDPSender Socket() exception");

	// Set blocking / nonblocking mode
	u_long mode = (m_block ? 0 : 1);
    int ret = ioctlsocket(Socket, FIONBIO, &mode );
    if(ret != 0) 
	{ 
        closesocket(Socket);
        Socket = INVALID_SOCKET;
		throw UDPSenderException("UDPSender ioctlsocket() exception");
	}

	// ~The addr structure should be ready already

    if( bind(Socket, (struct sockaddr*)&SendAddr, sizeof(SendAddr)) != 0)  
	{
        closesocket(Socket);
        Socket = INVALID_SOCKET;

		int ret = WSAGetLastError();
		if(ret == WSAEADDRINUSE)
		{
			throw UDPSenderException("UDPSender Bind() Address in use");
		}
		throw UDPSenderException("UDPSender Bind() error");
	}


********************************


	int sa_len = sizeof(sockaddr_in);
	
	int ret = sendto(Socket, udp.bb.contents(), udp.bb.size(), 
		0, (sockaddr*)&udp.addr, sa_len);

	if(ret <= 0)
	{
		int err = WSAGetLastError();
		if(!m_block)
		{
			if(err == WSAEWOULDBLOCK)
				return false;
		}
		char buf[50];
		sprintf(buf, "Code: %d", err);
		throw UDPSenderException(std::string("UDPSender sendto() exception") + buf);
	}