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OpenXmlPackage.SaveAs() corrupts file names

See original GitHub issue

Describe the bug OpenXmlPackage.SaveAs() corrupts names of the internal package files.

To Reproduce Steps to reproduce the behavior:

base.pptx

using var pres = PresentationDocument.Open("base.pptx", true);
var savedAs = pres.SaveAs("modified.pptx");
savedAs.Close();

Observed behavior The following renaming happened:

/ppt/slides/slide1.xml -> /ppt/slides/slide12.xml /ppt/slides/slide2.xml -> /ppt/slides/slide21.xml

Expected behavior The original names of /ppt/slides/slide1.xml and slide2.xml should not be changed.

Desktop:

OS: Windows 10
.NET Target: .NET 6
DocumentFormat.OpenXml Version: 2.17.1

Issue Analytics

State:
Created a year ago
Comments:6 (2 by maintainers)

Top GitHub Comments

1reaction

hunyucommented, Aug 29, 2022

@adamshakhabov Thank you very much for the information. I am able to repro the issue your described using 2.17.1. I will take the issue back to our engineering team, and we will let you know the resolution.

0reactions

hunyucommented, Oct 14, 2022

Hi Adamshakhabov

We traced the issue back, where appending extra sequence number was introduced with Openxml SDK 2.9, and the issue does not repro with 2.8.1 and prior. It impacted not only PowerPoint, but other Office apps as well. No ETA, yet.