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Changing master background color (PPTX)

Please tell me if this is the correct way to change the background of a presentation master:

PresentationEx p = new PresentationEx();
p.Masters[0].Background.FillFormat.FillType = FillTypeEx.Solid;
p.Masters[0].Background.FillFormat.SolidFillColor.Color = Color.Black;
p.Save(“out.pptx”, Aspose.Slides.Export.SaveFormat.Pptx);

This code does not work.


Hi Shaun,

Please use the code snippet shared here in your application and hopefully things will work for you.

Many Thanks,