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How to modify annotations and export it to another PDF document.

To modify annotations, iterate through the annotations present in the PdfLoadedPage and then modify the Annotation properties (Color, Border, Border style etc..) for the respective annotation type. To export into another PdfDocument, merge the PdfLoadedDocument with PdfDocument and then save it.

Assemblies Required

  1. Syncfusion.Compression.Base.dll
  2. Syncfusion.Pdf.Base.dll


The below code illustrates how to modify annotation and export into another PDF.

Code Snippet:


The working sample can be downloaded from the below link:


Article ID: Published Date: Last Revised Date: Platform: Control:
7482 02/27/2017 02/27/2017 WinForms PDF
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