You can set user permissions to prevent the document from being edited with the use of tools.
Actions such as annotation creation, editing, form filling, signing, and link following etc. are enabled by default. It is possible to selectively enable parts of such functionality as well as completely disable all interactive features.
To disable PDF editing, such as adding annotations, filling form fields or signing, use ToolManager.ReadOnly.
where toolManager is the instance of ToolManager.
To disable all user interaction on PDFViewCtrl, such as selecting text, selecting annotations, do not associate a ToolManager with a PDFViewCtrl. For example, do not use ToolManagerBuilder to create a ToolManager object.
To hide all UI widgets that are associated with creation and editing of a particular annotation type, see: Disable annotation creation and editing .
To disable functionality that is not directly tied to annotations, see: Disable functionality .
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