QT - uncheck

Question

Guys, please let me know how to uncheck the box using QT C ++.

Answer 1

use

QCheckBox::setChecked(false);

Answer 2

You can use the setChecked () method from QAbstractButton.

QCheckButton b;
b.setChecked( false ); // Uncheck it

Alternatively, you can use the setCheckState () method setCheckState () from QCheckButton. This gives you the option to "partially disable" it.

QCheckButton b;
b.setCheckState( Qt::Unchecked );

Answer 3

,

QCheckButton chkbox; chkbox.setChecked(false);

Answer 4

ui , , .

ui-> actionDraw_Polygon-> setChecked (false);