virtual FXuval FX::QIODevice::writeBlock ( const char *  data, FXuval  maxlen   ) [pure virtual, inherited] Writes up to the specified quantity of bytes from the buffer, returning how much was actually written. Note that less being written due to error is returned as an exception, but some devices may write less in a non-error situation. Implemented in FX::QBlkSocket, FX::QBuffer, FX::QBZip2Device, FX::QChildProcess, FX::QFile, FX::QGZipDevice, FX::QLocalPipe, FX::QMemMap, FX::QPipe, and FX::QSSLDevice.

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(C) 2002-2009 Niall Douglas. Some parts (C) to assorted authors.