I have a progress control on Msgbar now it was create on Msgbar and it run ok

I wish show it on third msgitem
I tried
oApp:aItems[3] //not run
also with
@ 02, 11 PROGRESS oApp:oBarProgress POSITION 1 of oApp:oMsgItem3 //Make error
If I make
?oApp:GetItems()
then it return me 3
How I resolve ?
thanks
METHOD CreateProgress() CLASS TPrevisioni
   @ 02, 11 PROGRESS oApp:oBarProgress POSITION 1 of oApp:oWinMain:oMsgBar;
   SIZE 200,18 pixel
   oApp:oBarProgress:SetRange( 0, 100 )
  RETURN NIL
I wish show it on third msgitem
I tried
oApp:aItems[3] //not run
also with
@ 02, 11 PROGRESS oApp:oBarProgress POSITION 1 of oApp:oMsgItem3 //Make error
If I make
?oApp:GetItems()
then it return me 3
How I resolve ?
thanks
Since from 1991/1992 ( fw for clipper Rel. 14.4 - Momos)
I use : FiveWin for Harbour March-April 2024 - Harbour 3.2.0dev (harbour_bcc770_32_20240309) - Bcc7.70 - xMate ver. 1.15.3 - PellesC - mail: silvio[dot]falconi[at]gmail[dot]com
I use : FiveWin for Harbour March-April 2024 - Harbour 3.2.0dev (harbour_bcc770_32_20240309) - Bcc7.70 - xMate ver. 1.15.3 - PellesC - mail: silvio[dot]falconi[at]gmail[dot]com