Shetty gvfluk Sahir

PedanticHacker

Firstly, delete the line self.setLayout(layVer)

then fix

to be

Martin Fitzpatrick

This error occurs because you're trying to set a layout on a QMainWindow. The QMainWindow is a special widget which has a built-in layout, to handle things link menus, toolbars and dock widgets.

For windows based on QMainWindow you can only set a central widget -- that is, the widget that appears in the center of the window. But if you remember from the PyQt5 layouts tutorial you can set a layout on an empty QWidget and add anything you want to it that way.

So the trick is: for controlling the layout of a mainwindow we first create a QWidget to act as a "container", use that widget as our central widget and apply the layout to it to add other widgets.

_Ali Sanawi Garrousi__

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