Thetype exposes the following members.
Returns if PresentationDocument is protected with the password against modification and re-saving to the same file name.
Sets the modification protection password for the current PresentationDocument instance.
Modification protection refers to a mode in which the presentation's contents should not be modified, and the presentation should not be resaved using the same file name.
is currently not supported when exporting a presentation to PDF, XPS or image file formats.