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Text is missing after converting from PPTX to PDF file

We have one PPTX file, after conversion to PDF file, some of text at the original PPTX won’t be displayed, instead it is hidden. However if I copy the text, I could see those hidden text.

the code is very simple:
private void ConvertFromPptX(Stream inputStream, Stream outputStream)
Aspose.Slides.Pptx.PresentationEx presentation = new Aspose.Slides.Pptx.PresentationEx(inputStream);
presentation.Save(outputStream, Aspose.Slides.Export.SaveFormat.Pdf);

Here the inputStream and outStream are stream for input file and output file.

Both PPTX and converted PDF file are attached at this post.

Please let us know what we are missing here.

Hi Pingzhong,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Thank you for the sample code and template file.

We are able to reproduce your mentioned issue after an initial test. Your issue has been registered in our issue tracking system with issue id: SLIDESNET-35240. This thread is linked with the issue and you will get a notification once the issue gets resolved.

Sorry for the inconvenience,

The issues you have found earlier (filed as SLIDESNET-35240) have been fixed in this update.

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