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Syncfusion.Presentation Saving to Memorystream corrupts presentation

Greetings,

I have been unable to successfully save any Presentation to a memorystream without being prompted to repair the document when opening in Powerpoint 2019. Please refer to the below code snippet to see if you can reproduce your own side.

Thanks


        Using p As Syncfusion.Presentation.IPresentation = Presentation.Create
            Using ms As New System.IO.MemoryStream
                p.Save(ms)
                 ms.Position = 0
                Using fs As New System.IO.FileStream("E:\testiems.pptx", System.IO.FileMode.Create)
                    fs.Write(ms.GetBuffer(), 0, ms.GetBuffer().Length)
                End Using
            End Using
        End Using