Qextserial and writeblock

[bollibompa]

Hi,
I am converting an app from qt3 -->qt4. The code uses Qextserialport and I think I now managed to do all changes except from one:

void pump::sendPump( const char *out)
{
    if(port.open()) {
port.writeBlock(out,strlen(out));
port.flush();
port.flush();
port.close();
}
}

void pump::sendPump( const char *out)
{
    if(port.open()) {
port.writeBlock(out,strlen(out));
port.flush();
port.flush();
port.close();
}
}

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I recieve an error for the WriteBlock. Has this been changed in new version of Qextserial and can anyone help me how it should be written
Many thanks in advance!
Thomas

[high_flyer]

do you use the new QextSerialPort which linkgs against Qt4?

I recieve an error for the WriteBlock.

Which error?