The function appendRecord() adds a new record to the end of file.
If you pass "true", the record will be empty.
If you pass "false", the new record will contain information from internal memory.
{
// copy record
dbf->readRecord(10);
dbf->appendRecord(FALSE);
// modify some values
dbf->setField(0, "something", 12.34);
dbf->appendRecord(FALSE);
// add empty record
dbf->appendRecord(TRUE);
// your code
}