Grey Out Spin Box

[Atomic_Sheep]

I can't seem to find any mention in the documentation about spin boxes having a property of being greyed out.

I have tried:

this->ui->mySpinBox->setReadOnly(true);

this->ui->mySpinBox->setReadOnly(true);

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&

this->ui->mySpinBox->setEnabled(false);

this->ui->mySpinBox->setEnabled(false);

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But this didn't work.