Returns whether callbacks are invalidating portions of the screen that are being changed.
FUNCTION GetCallBackInval : BOOLEAN;def vs.GetCallBackInval():
return BOOLEANresultOK := GetCallBackInval;import vs
# Returns whether callbacks are invalidating portions of the screen that are
# being changed.
ok = vs.GetCallBackInval()
if ok:
vs.Message('GetCallBackInval succeeded')
else:
vs.Message('GetCallBackInval failed')Availability: from Vectorworks 2014