qpushbutton and layout

Hi I'd like to insert two button in a Hlayout and then try the way to enlarge them to fit entire QWidget where they are...

Code:

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QPushButton *canc1 = new QPushButton(widget);
QPushButton *canc2 = new QPushButton(widget);
canc1->setText("ok");
canc2->setText("clear");
l = new QHBoxLayout(widget);	
l->addWidget(canc1);
l->addWidget(canc2);

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In attach the result of this above; Can I enlarge them in vertical using Vlayout? (whithout use setGeometry on button)

Try setting the vertical size policies of the buttons to:
QSizePolicy::Expanding, QSizePolicy::MinimumExpanding, or maybe even QSizePolicy::Ignored...