Here is a little sample: #include "FiveWin.ch"function Start()local oWnd, oBar,oMenu,oBtn DEFINE WINDOW oWnd MENU oMenu DEFINE BUTTONBAR oBar OF oWnd 2010 @ 2,2 BUTTON oBtn PROMPT "Read" OF oWnd SIZE 40,20 ACTION Ler() UPDATE @ 4,2 BUTTON oBtn PRO...