Igor,
Try using a styleSheet. I use this for QLineEdit but just tweaked it to
show you how to do it with a QLabel so it's untested. Some of the options
may not be used by QLabel so check the Qt docs to verify.

QString style = "QLabel{ color:#000000; background-color:#FFFFFF;
selection-color:#FFFFFF; selection-background-color:#000000;
font-family:Monospace; font-style:normal; font-size:12px; }";
label->setStyleSheet(style);

Jonathan


On Thu, Feb 13, 2014 at 12:56 AM, <igor.mironc...@gmail.com> wrote:

> Hi.
>
> How to set white background to the QLabel?
>
> I use the next code to do it:
>
> QLabel * label = new QLabel( this );
> label->setBackgroundRole( QPalette::Base );
>
> But it give no effect. What I should do else? Thanks.
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