Try this
#Include "FiveWin.ch"
//----------------------------------------//
Function Main()
Local oDlg,oBtn
DEFINE DIALOG oDlg TITLE "Test Desktop"
@1,10 BUTTON oBtn PROMPT "DeskTop" ACTION Test()
ACTIVATE DIALOG oDlg CENTERED
Return
//----------------------------------------//
Function Test()
Local oShell
oShell:=CreateObject("Shell.Application")
oShell:ToggleDesktop()
oShell:=NIL
Return NILRegards
Anser
