Aspose.Slides for .NET 21.9 Release Notes

using (Presentation presentation = new Presentation("SomePresentation.pptx"))
{
    presentation.Save("index.html", SaveFormat.Html5);
}

using (Presentation pres = new Presentation("demo.pptx"))
{
    pres.Save("demo-animate.html", SaveFormat.Html5, new Html5Options()
    {
        AnimateShapes = true,
        AnimateTransitions = true
    });
}

using (Presentation pres = new Presentation())
{
    IChart chart = pres.Slides[0].Shapes.AddChart(ChartType.Pie, 50, 50, 400, 500);
    
    IChartDataWorkbook workbook =  chart.ChartData.ChartDataWorkbook;
    for (int i = 0; i < workbook.Worksheets.Count; i++)
    {
        Console.WriteLine(workbook.Worksheets[i].Name);
    }
}

/// <summary>
/// Represents a type that can return corresponding effective data with the inheritance applied.
/// </summary>
/// <typeparam name="T">Type of effective data.</typeparam>
public interface IAccessiblePVIObject<T> where T : class
{
    /// <summary>
    /// Gets effective data with the inheritance applied.
    /// </summary>
    /// <returns>An effective data object.</returns>
    T GetEffective();
}

using (Presentation presentation = new Presentation())
{
    IPPImage backgroundImage = presentation.Images.AddImage(Image.FromFile("someimage.png"));

    presentation.Slides[0].Background.Type = BackgroundType.OwnBackground;
    presentation.Slides[0].Background.FillFormat.FillType = FillType.Picture;
    presentation.Slides[0].Background.FillFormat.PictureFillFormat.Picture.Image = backgroundImage;

    IDuotone duotone = presentation.Slides[0].Background.FillFormat.PictureFillFormat.Picture.ImageTransform
        .AddDuotoneEffect();

    duotone.Color1.ColorType = ColorType.Scheme;
    duotone.Color1.SchemeColor = SchemeColor.Accent1;
    duotone.Color2.ColorType = ColorType.Scheme;
    duotone.Color2.SchemeColor = SchemeColor.Dark2;

    IDuotoneEffectiveData duotoneEffective = duotone.GetEffective();

    Console.WriteLine("Duotone effective color1: " + duotoneEffective.Color1);
    Console.WriteLine("Duotone effective color2: " + duotoneEffective.Color2);
}