QTextStream and file handle

[Dilshad]

Hi,
I have a query regarding Files and textstream in QT

if I have a code such as the following :

QFile file("abc.txt");
file.open(QIODevice::ReadOnly);
QTextStream(&file);
 
file.setFileName("xyz.txt");
file.open(QIODevice::ReadOnly);

QFile file("abc.txt");
file.open(QIODevice::ReadOnly);
QTextStream(&file);

file.setFileName("xyz.txt");
file.open(QIODevice::ReadOnly);

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In the above case what should QTextstream be pointing at?
Contents of "abc.txt" or "xyz.txt"
In my case it points to "abc.txt"
Is there any way I can change it to point to "xyz.txt"?

Thank you in advance.