This is not a good approach because anything being disabled by one plug-in may be enabled by another. Some techniques, such as plug-ins, try to prevent Save and prevent Save As by trying to disable Save in PDF (and Save As) by altering the code in the main application. So to prevent Save and prevent Save As from taking place you need to build a special application that does not have these capabilities rather than trying to relying on third-party add-ons to try and control the environment. viewing a web page in a browser), content is still cached to temporary files on the users local device (pages are automatically cached to disk to speed up viewing) so using technologies like JavaScript to prevent saving by the browser are often a waste of time. Any changes made are then applied to the temporary file which may either be saved as a new document or overwrite the existing document.Įven where editing is not possible (e.g. When a document is opened by an application (be that Word, Acrobat, or a browser) a temporary file is created and saved to disk. This is no different from copying a file directly in Windows File Explorer or a similar file browser application. Most applications allow you to open a document and save a copy of it to another location on disk.
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