ui.Form.getNode
Get the DOM node of the form.
Syntax
getNode()
  RETURNS om.DomNode
    Usage
The getNode() method returns the DOM node containing the abstract
        representation of the window/form.
After loading and displaying a form with OPEN FORM / DISPLAY FORM or with
          OPEN WINDOW ... WITH FORM, get the form object for example with ui.Dialog.getForm() and use
        the getNode() method to query the DOM node corresponding to the form.
Example
MAIN
  DEFINE f ui.Form
  DEFINE n om.DomNode
  DEFINE rec RECORD
             custid INTEGER,
             custname VARCHAR(40)
         END RECORD
  OPEN FORM f1 FROM "customer"
  DISPLAY FORM f1
  INPUT BY NAME rec.*
      BEFORE INPUT
         LET f = DIALOG.getForm()
         LET n = f.getNode()
         DISPLAY n.toString()
  END INPUT
END MAIN