Add Slide Transition in PowerPoint using C#

readme.md

Learn how to add slide transitions in PowerPoint presentations using C#: https://blog.aspose.com/2021/08/06/add-slide-transition-in-powerpoint-using-csharp/

add-advance-transition.cs

// Instantiate Presentation class that represents a presentation file
using (Presentation pres = new Presentation("BetterSlideTransitions.pptx"))
{

    // Apply circle type transition on slide 1
    pres.Slides[0].SlideShowTransition.Type = TransitionType.Circle;

    // Set the transition time of 3 seconds
    pres.Slides[0].SlideShowTransition.AdvanceOnClick = true;
    pres.Slides[0].SlideShowTransition.AdvanceAfterTime = 3000;

    // Apply comb type transition on slide 2
    pres.Slides[1].SlideShowTransition.Type = TransitionType.Comb;

    // Set the transition time of 5 seconds
    pres.Slides[1].SlideShowTransition.AdvanceOnClick = true;
    pres.Slides[1].SlideShowTransition.AdvanceAfterTime = 5000;

    // Apply zoom type transition on slide 3
    pres.Slides[2].SlideShowTransition.Type = TransitionType.Zoom;

    // Set the transition time of 7 seconds
    pres.Slides[2].SlideShowTransition.AdvanceOnClick = true;
    pres.Slides[2].SlideShowTransition.AdvanceAfterTime = 7000;

    // Save presentation
    pres.Save("SampleTransition_out.pptx", SaveFormat.Pptx);
}

add-morph-transition.cs

// Load PowerPoint presentation
using (Presentation presentation = new Presentation("presentation.pptx"))
{
    // Add morph transition
    presentation.Slides[0].SlideShowTransition.Type = TransitionType.Morph;
    ((IMorphTransition)presentation.Slides[0].SlideShowTransition.Value).MorphType = TransitionMorphType.ByWord;
    
    // Save presentation
    presentation.Save("presentation-out.pptx", SaveFormat.Pptx);
}

add-transition.cs

// Instantiate Presentation class to load the source presentation file
using (Presentation presentation = new Presentation("AccessSlides.pptx"))
{
    // Apply circle type transition on slide 1
    presentation.Slides[0].SlideShowTransition.Type = TransitionType.Circle;

    // Apply comb type transition on slide 2
    presentation.Slides[1].SlideShowTransition.Type = TransitionType.Comb;

    // Save the presentation
    presentation.Save("SampleTransition_out.pptx", SaveFormat.Pptx);
}