Aspose.Slides for .NET 23.12 is tailored for C# developers seeking to optimize PowerPoint processing. This latest release includes many performance enhancements, boasting a remarkable 3x increase in runtime speed, along with many new features and bug fixes.

Key Highlights

• 3x Faster Runtime: Delivering a significant leap in speed and efficiency for developers, this release of the .NET presentation apps API helps you augment your C# apps.
• Handout Presentation Layout: Seamlessly generate handout presentations, mirroring PowerPoint’s renowned “Print as Handouts” functionality, now available with Aspose.Slides for .NET 23.12.
• Enhanced Ink Control: Exercise finer control over the appearance of ink objects in exported presentations, with options to conceal ink or adjust opacity to your preference.
• Removal of Cropped Picture Areas: Trim presentation sizes by eliminating redundant cropped areas from pictures embedded within presentations.
• Shape.IsDecorative Property: Simplify the process of setting decorative shapes for enhanced accessibility and semantic representation.

Additional Updates

• Numerous bugs pertaining to presentation opening, conversion to various formats, and chart rendering have been diligently addressed in this version of the C# PowerPoint API.
• Deprecated properties have been systematically replaced with alternatives, ensuring a cleaner and more intuitive API experience.

Print Presentations as Handouts

This C# code example illustrates how to render presentations as handouts:

using (Presentation pres = new Presentation("pres.pptx"))
{
    RenderingOptions options = new RenderingOptions
    {
        SlidesLayoutOptions = new HandoutLayoutingOptions
        {
            Handout = HandoutType.Handouts4Horizontal,
            PrintSlideNumbers = false
        }
    };
    
    Bitmap[] handoutSlides = pres.GetThumbnails(options);
    for (var index = 0; index < handoutSlides.Length; index++)
    {
        var handoutSllide = handoutSlides[index];
        handoutSllide.Save($"handout-{index}.png");
    }
}

Source*

Control Ink Objects Look and Feel

The following C# code snippet demonstrates how to use the newly added InkOptions class for controlling the look of the Ink objects:

using (Presentation pres = new Presentation("pres.pptx"))
{
    PdfOptions options = new PdfOptions();
    options.InkOptions.HideInk = true;

    pres.Save("pres.pdf", SaveFormat.Pdf, options);
}

Source*

Set Decorative Shapes

Please refer to the below-given code example to learn how to use the Shape.IsDecorative to set decorative shapes:

using (Presentation pres = new Presentation("sample.pptx"))
{
    pres.Slides[0].Shapes[0].IsDecorative = true;
}

Source*

You can view the list of all new features, enhancements, and bug fixes introduced in this release by visiting Aspose.Slides for .NET 23.12 Release Notes.