PDFsharp & MigraDoc Foundation

I have an application that takes a number of image files (.png) and generates a pdf file from.

We have no issue with small images (< 2mb), however, our color scans are reaching near 3mb.

One particular scan is 257 pages and must be done in color.

I receive an error when building the PDF file. If I cut the number of pages down, it works with no issues.

What is the maximum file size I can create with PDFSharp?

Are there any other constraints I should no about that could cause this besides size? Color depth? (although less numerous scans work fine)

I think the limitation is neither file size nor RAM, but something around GDI+ or Windows or whatsoever.
I think the total size of all images is limited, but I don't know the limit nor do I know the limiting instance.

I don't know if a WPF build of PDFsharp also has this limitation (we haven't tried that yet).

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Regards
Thomas Hoevel
PDFsharp Team