>for instance:
>
>

>LIST[CR&LF]
>DISP MEMO[CR&LF]
>LIST ALL FOR;[CR&LF]
>empty(client_id)[CR&LF]
>BROWSE[CR&LF]
>PACK[CR&LF]
>

>
>on keypress RETURN I'd like to grab the code near to left side and process it.. Exactly as the same behavior of VFP's command line window

Try to split the editbox content into lines using ALINES() function.