Create PowerPoint Transitions with Syncfusion .NET PowerPoint Library

Slide transitions are the motion effects that occur when you move from one slide to the next during a slide show presentation. The Syncfusion^® .NET PowerPoint Library allows you to add transitions in PowerPoint presentations in C#, without relying on Microsoft PowerPoint or interop dependencies.

Add transitions to PowerPoint using C#

Learn how to add transitions to PowerPoint presentations programmatically using C# with the Syncfusion .NET PowerPoint library. This guide demonstrates applying various transition effects to slides to enhance visual flow and create engaging slide shows effectively.

Step 1: Create a new project

Start by creating a new C# Console Application project.

Step 2: Install the NuGet package

Add the Syncfusion.Presentation.Net.Core package to your project from NuGet.org.

Step 3: Add required namespaces to add PowerPoint transitions

Add the following namespaces to your Program.cs file:

c#
using Syncfusion.Presentation;

Step 4: Create a PowerPoint presentation

Create a new presentation and add a blank slide with a shape.

c#
//Create a new instance of PowerPoint Presentation file
IPresentation pptxDoc = Presentation.Create();
//Add a blank slide to the presentation
ISlide slide = pptxDoc.Slides.Add(SlideLayoutType.Blank);
//Add a shape to the slide
IShape cubeShape = slide.Shapes.AddShape(AutoShapeType.Cube, 100, 100, 300, 300);

Step 5: Add a shape to the slide

Add a cube shape to the slide.

c#
//Add a shape to the slide
IShape cubeShape = slide.Shapes.AddShape(AutoShapeType.Cube, 100, 100, 300, 300);

Step 6: Apply transition effects

Apply a checkerboard transition effect to the slide.

Run

c#
//Set the transition effect type
slide.SlideTransition.TransitionEffect = TransitionEffect.Checkerboard;
//Set the transition effect options
slide.SlideTransition.TransitionEffectOption = TransitionEffectOption.Across;

Step 7: Save the PowerPoint presentation

Save the presentation with transitions to a file stream.

c#
//Save the PowerPoint Presentation as stream
FileStream outputStream = new(Path.GetFullPath(@"Output/Result.pptx"), FileMode.Create, FileAccess.ReadWrite);
pptxDoc.Save(outputStream);
//Close streams and presentation
outputStream.Close();
pptxDoc.Close();