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c# asp.net-core pdf itext memorystream

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November 2, 2025 Score: 6 Rep: 55,014 Quality: Expert Completeness: 70%

You have to call iText.IO.Source.OutputStream.SetCloseStream(false) to prevent the Stream instance from disposing by default when disposing the OutputStream.

using PdfWriter pdfWriter = new PdfWriter(ms);
pdfWriter.SetCloseStream(false);