If you think there is a bug in PDFsharp then please use the IssueSubmissionTemplate to make the issue replicable.
http://www.pdfsharp.net/wiki/IssueSubmissions.ashx

Thanks.

Resources

The official project web site:
http://pdfsharp.net/

The official peer-to-peer support forum:
http://forum.pdfsharp.net/

Reporting an Issue Here

Expected Behavior

Actual Behavior

Steps to Reproduce the Behavior

We strongly recommend using the IssueSubmissionTemplate to make sure we can replicate the issue.
http://www.pdfsharp.net/wiki/IssueSubmissions.ashx