How to Clear all the Widgets in Parent Widgets?

Question

I am using the constructor QWidget(QWidget *parent). This parent widget contains a lot of child widgets. I need to clear all the child widgets from the parent a

Answer 1

From Qt docs

The following code fragment shows a safe way to remove all items from a layout:

QLayoutItem *child;
while ((child = layout->takeAt(0)) != 0) {
    ...
    delete child;
}