don`t work Condition...

its work:

Code:

if (QTabWidget *tabwidget = qobject_cast<QTabWidget*>(childrens[i])) { ... }

its don`t work

Code:

if (((QTabWidget *tabwidget = qobject_cast<QTabWidget*>(childrens[i])) && (!allwidgetslist))  ||  (allwidgetslist)) {...}

Why? Please help :`(

...sory work, but if initialize tabwidget before Condition...

Code:

QTabWidget *tabwidget;
        if (((tabwidget = qobject_cast<QTabWidget*>(childrens[i])) && (!allwidgetslist))  ||  (allwidgetslist))