PagesCount is ignored when converting any XLSX to PNG in .NET

GroupDocs.Conversion Product Family
,
1

Converting any XLSX file to PNG results in multiple output files, although pagesCount is set to 1.

GroupDocs.Conversion 21.9.1 was used with .NET Framework 4.7.2 and the following code:

            using (var conv = new Converter(documentPath))
            {
                var options = new ImageConvertOptions()
                {
                    Format = FileTypes.ImageFileType.Png,
                    //convert only the first page for thumbnail
                    PageNumber = 1,
                    PagesCount = 1,
                    Width = 256 //pixel -> low resolution for thumbnail
                };
                Contracts.SavePageStream getPageStream = page => new FileStream(string.Format("Thumbnail{0}.png", page), FileMode.Create);
                conv.Convert(getPageStream, options);
            }

Thumbnail Range.zip (14.8 KB)

3

@Clemens_Pestuka

This issue is reproduced at our end. Hence, we’ve logged it in our internal issue tracking system with ID CONVERSIONNET-4896. You’ll be notified in case of any update.

1 Like
4

Hi @Atir_Tahir,

I also want to ask as a followup if there maybe is a better way to create thumbnails?
Just loading a file (by creating a Converter instance) already takes a lot of time and resources and I’m sure has a big overhead, when we just want to create a thumbnail.

5

We are also investigating this scenario. Your investigation ticket ID is CONVERSIONNET-4897.

1 Like