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PowerPoint slides to PDF conversion shows black bars


we are converting the attached pptx file to a PDF with the following code and the resulting PDF shows black bars on top and bottom.

var presentation = Presentation.Open(fileStream);
var doc = PresentationToDPdfConverter.Convert(presentation);
var pdfStream = new MemoryStream();
pdfStream.Seek(0, SeekOrigin.Begin);


Attachment: Test_41996dbb.zip

1 Reply

SB Suriya Balamurugan Syncfusion Team February 3, 2023 02:04 PM UTC

Hi Jan,

On further analyzing the reported problem, we have found that the transparency is applied for gradient stops for two rectangle shapes in front of the image in the input PowerPoint document.