counting controls in a form with its childs ?

[hcetiner]

I think winAPI's handle functions doesnt working for QT forms.
So how can i use or.is there a working QT api functions something like winapi have like :
getnexthandle getfirsthandle ,FindWindowEx,FindWindowLike ,GetWindow ,GetWindowClassName,winhandle APIs ?
to catch and count controls in a form ?

or

how can I get the name of control and its class name under mouse via a dll that loaded an exe ?

thanks

[borisbn]

QWidget::findCildren