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Slide GetThumbnail saves Bitmap without 3D chart

Hello!
I am trying to save a 3D chart slide to an image, but I get an image without a chart.
It is screen from pptx:
image.png (16.1 KB)
It is result jpg file:
image.png (6.4 KB)
It is my code for saving:

Bitmap bmp = sld.GetThumbnail(5f, 5f);
bmp.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);

I am currently using Aspose.Slides for .NET v 20.7.0.

Thanks!

@Zmicier,
Welcome to our community! Thank you for the issue description. Could you please share a presentation file or code snippet that generates the chart for our investigation?

@Andrey_Potapov,
checking diagrams ex.zip (34.8 KB)

@Zmicier,
Thank you for the presentation sample. I reproduced the problem and got the same results. I have logged the issue in our tracking system with ID SLIDESNET-42456 for further investigation. You will be notified when it is fixed.

The issues you have found earlier (filed as SLIDESNET-42456) have been fixed in Aspose.Slides for .NET 22.7 (ZIP, MSI).
You can check all fixes on the Release Notes page.
You can also find the latest version of our library on the Product Download page.