How to refer to an element created programmatically in qt in c++?

Question

Qt

I'm creating a layer and want to access it from another function. how to do it?

QVBoxLayout *l = new QVBoxLayout(this);
  l->setObjectName("sel_part");

Through ui, I understand it will not work.
ui->sel_part->hide();

Answer 1

Create a local class variable and access it.