uppercase letters in a QTextEdit

[annitaz]

I am designing a notepad application and I want to change the case of the text in QTextEdit to uppercase.
I tried

if (name == "Uppercase") {
       textEdit->setFont(Qt::Alluppercase);
       }

if (name == "Uppercase") {
       textEdit->setFont(Qt::Alluppercase);
       }

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but it doesn't work. Which property can I use?