PPTX to PNG in C#: Hidden Chart Data Labels Are Displayed in Slide Thumbnail

hello,

hidden chart-data-labels are displayed in thumbnail. Please use the attachment to create thumbnail and compare the slide and the png. Thank you!

        using (Presentation presentation = new Presentation(filePath))
        {
            for (int index = 0; index < presentation.Slides.Count; index++)
            {
                ISlide presentationSlide = presentation.Slides[index];
                using (Bitmap image = presentationSlide.GetThumbnail(1,1))
                    image.Save($@"test.png");
            }
        }

test.zip (112.6 KB)

@JeffChiang,
Thank you for the issue description.

I reproduced the problem with hidden chart data labels and axis labels. I logged the issue with ID SLIDESNET-42896 in our tracking system. Our development team will investigate this case. You will be notified when the issue is resolved.

The issues you have found earlier (filed as SLIDESNET-42896) have been fixed in Aspose.Slides for .NET 22.1 (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.