Using ActiveX Object in Qt

QAxObject* excel = new QAxObject( "Excel.Application", 0 );
QAxObject* workbooks = excel->querySubObject( "Workbooks" );
QAxObject* workbook = workbooks->querySubObject( "Open(const QString&)", "C:\\1.xls" );
QAxObject* sheets = workbook->querySubObject( "Worksheets" );
QList<QVariantList> data; //Data list from excel, each QVariantList is worksheet row

//worksheets count
int count = sheets->dynamicCall("Count()").toInt();

count = sheets->property("Count").toInt();
for (int i=1; i<=count; i++) //cycle through sheets
{
//sheet pointer
QAxObject* sheet = sheets->querySubObject( "Item( int )", i );

QAxObject* rows = sheet->querySubObject( "Rows" );
int rowCount = rows->dynamicCall( "Count()" ).toInt(); //unfortunately, always returns 255, so you have to check somehow validity of cell values
QAxObject* columns = sheet->querySubObject( "Columns" );
int columnCount = columns->property("Count").toInt();

for (int row=1; row <= rowCount; row++)
{
QVariantList dataRow;
bool isEmpty = true; //when all the cells of row are empty, it means that file is at end (of course, it maybe not right for different excel files. it's just criteria to calculate somehow row count for my file)
for (int column=1; column <= columnCount; column++)
{
//Do something usefule here
}
if (isEmpty) //criteria to get out of cycle
break;
data.append(dataRow);

}
}

workbook->dynamicCall("Close()");
excel->dynamicCall("Quit()");

QFile file1("c://sheet2.html");
file1.open(QIODevice::WriteOnly | QIODevice::Text);
QTextStream out(&file1);
out << excel->generateDocumentation();
file1.close();

sheet->querySubObject( "Pictures" )