Copy with QDataStream

[wirasto]

I just try copy image with QDataStream. But failed

QFile file("../olongia.png");
    file.open(QIODevice::ReadOnly);
 
    QDataStream ods(&file);
    ods.setVersion(QDataStream::Qt_4_2);
 
 
 
    QFile ftulis("../coba.png");
    ftulis.open(QIODevice::WriteOnly);
 
    QDataStream wds(&ftulis);
    wds.setVersion(QDataStream::Qt_4_2);
 
    wds << ods;
 
    ftulis.close();
 
    file.close();

QFile file("../olongia.png");
    file.open(QIODevice::ReadOnly);

    QDataStream ods(&file);
    ods.setVersion(QDataStream::Qt_4_2);



    QFile ftulis("../coba.png");
    ftulis.open(QIODevice::WriteOnly);

    QDataStream wds(&ftulis);
    wds.setVersion(QDataStream::Qt_4_2);

    wds << ods;

    ftulis.close();

    file.close();

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Have any suggestion ?


Sorry, my english is bad