The OpenEdge Hive

I made this code:

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/* TRIGGER */
DO:
  /* Tentativo da oggetto a variabile */
  ASSIGN fill-in-1 = INPUT fill-in-1.
  DISPLAY "1] " + fill-in-1 @ fill-in-1 WITH FRAME fMain.
  
  /* Tentativo attributo dell'oggetto */
  ASSIGN fill-in-2:SCREEN-VALUE = "2] " + fill-in-1.
  
  /* extension version of assign? */
  ASSIGN toggle-1 = INPUT toggle-1.
  /* compact version of assign? */
  ASSIGN toggle-2.
  
  /*
  ESEMPIO in C
  i = i + 1.
  i++.
  ++i.
  */
  
  IF toggle-1 THEN DO:
                MESSAGE "toggle1".
                ASSIGN toggle-1:LABEL = "maschio".
              END.
              
  IF toggle-2 THEN ASSIGN toggle-2:LABEL = "femmina".
END.

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other trigger develop with ApplicationBuilder in the only file:

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/* TRIGGER */
DO:
  ASSIGN toggle-1.
  
  IF toggle-1 THEN
        toggle-1:LABEL = "TRUE".
  ELSE
        toggle-1:LABEL = "FALSE".
  
END.

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, where i try to manipolate entity "variable" & entity "widget".

... and i observe that ther's "different style" to manage the information.

---------------

  /* extension version of assign? */
  ASSIGN toggle-1 = INPUT toggle-1.
  /* compact version of assign? */
  ASSIGN toggle-2.

---------------

Anyone would underline the difference?
I'm newbee of this language and i'm in confuse... o_O

TNX!