What I am thinking for PDF annotation merging is that if there are PDF library out there that allow you to annotate the PDF file, so that you can parse the BLOB, and apply that via the SDK.
Quite a few PDF readers have this "pencil markup" feature, and I these markups seems to be like an additional "layer" on top of the original PDF file.
Well, it looks like GodzillaNL's tools is using this method, using PDFsharp.
Last edited by CoolDragon; 06-22-2010 at 07:53 PM.
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