# if !wxUSE_STREAMS && !wxUSE_STD_IOSTREAM
# ifdef wxABORT_ON_CONFIG_ERROR
# error "DocView requires wxUSE_STREAMS or wxUSE_STD_IOSTREAM"
# if !wxUSE_STREAMS && !wxUSE_STD_IOSTREAM
# ifdef wxABORT_ON_CONFIG_ERROR
# error "DocView requires wxUSE_STREAMS or wxUSE_STD_IOSTREAM"