oRef=_screen.activeform
set step on

if oref.caption="View Document"
	oref.release()
endif

if _screen.activeform.mygrid1.visible=.t.
	_screen.activeform.mygrid1.visible=.f.
else
	_screen.activeform.mygrid1.visible=.t.
endif

i get error ACTIVEFORM is not an object on line _screen.activeform.mygrid1.visible.

any help? TIA