QTcpSocket tcpSocket;
QString fstring("");

bool writeToDevice(const char* data, int size)
{
    if(data == 0) return;
    if(!_stricmp(data, "")) return;
    qint64 d_size = tcpSocket.write(data, size);
    if(tcpSocket.waitForBytesWritten(5) && tcpSocket.waitForReadyRead(20))
        fstring += data;
        
       return d_size == size;
}

Цитата(sibmail @ 31.3.2009, 18:51)

class Connection : public QTcpSocket

 bool Connection::sendMessage(const QString &message)
 {
     if (message.isEmpty())
         return false;

     QByteArray msg = message.toUtf8();
     QByteArray data = "MESSAGE " + QByteArray::number(msg.size()) + " " + msg;
     return write(data) == data.size();
 }