In this document
chevron_rightDelete an annotation
chevron_rightDelete all annotations on a page
chevron_rightDelete all the annotations in a PDF document
Using the PDFTron library, you can delete a single annotation, delete all the annotations on a page, or delete all the annotations in a PDF document.
The PDFTron library has an annotation list dialog fragment. The dialog fragment allows users to delete annotations easily. For more information, see annotation dialog fragment
To delete an annotation, you need the page number of the annotation. To avoid looping through the whole document to find the page number of the annotation, we recommend you always keep track of the page number when you get an annotation.
linkDelete an annotation
To delete an annotation, you need to lock
first. See the section on document locking
for more information.
You can delete an annotation as follows:
linkDelete all annotations on a page
The following snippet shows how to enumerate all the annotations on a page, as well as how to delete them.
linkDelete all the annotations in a PDF document
The following snippet shows how to traverse all the pages in a PDF document and delete all the annotations.