Generate .h and .cpp from .ui file

Question

Suppose I have the file about.ui. How can I make the \"about.h\" and the \"about.cpp\" from my .ui file?

Answer 1

You don't.
The about.ui generates a ui_about.h which you include in your own about.h

You then create you own class deriving from this class

class about :   public QDialog, public Ui::about
{
    Q_OBJECT;
....
}