Start Examples Changing OCGs Changing OCGs Examples in response to questions such as:Click How to set the OCG state of an existing PDF?Click How to change the order of Optional Content Groups?addocg changeocg changeocgorder Resources hello.pdfocg.pdfResultscmp_add_ocg.pdfcmp_change_ocg.pdfcmp_change_ocg_order.pdf xml_worker itext_7_suite itext_7_core itext_7_community