Opens a DWF or DWFx file that contains markups.
Displays the Open Markup DWF dialog box (a standard file selection dialog box), in which you can select a DWF or DWFx file that contains markups to load into the Markup Set Manager.
NOTE: When opening a digitally signed DWFx file, a message box is displayed that warns you about saving a new version of the file will invalidate the attached digital signature.
