Use OpenXML? https://docs.microsoft.com/en-us/office/open-xml/open-xml-sdk?view=openxml-2.8.1 https://stackoverflow.com/questions/27697408/interop-powerpoint-equivalent-of-interop-word-application-visiblity-off
Use OpenXML?
https://docs.microsoft.com/en-us/office/open-xml/open-xml-sdk?view=openxml-2.8.1
https://stackoverflow.com/questions/27697408/interop-powerpoint-equivalent-of-interop-word-application-visiblity-off