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Overview

Animations grab and keep the attention of your audience by emphasizing key points, controlling the focus of discussion, and entertaining in ways that will make your message memorable. Slide transitions are the motion effects that occur when you move from one slide to the next during a slide show presentation. The Syncfusion PowerPoint Library allows you to add animation effects and transitions in PowerPoint presentations in C#.


PowerPoint animations

Animation in .NET PowerPoint.

Add and edit animation effects

The Syncfusion PowerPoint Library supports the following options when applying animation effects:

  • Entrance

  • Emphasis

  • Exit

  • Motion paths


Types of animation effects

Effects can make an object appear, disappear, or move. They can change an object’s size, position, or color.

PowerPoint Library multiple animations.

Applying multiple animations

A grand total of 149 animation effects are available. For a slide element, you can apply an animation effect for each animation type (entrance, emphasis, exit, and motion paths).

PowerPoint Library control over duration.

Control over duration

The speed of the animation effect is determined by the duration property. It is used to determine how long an animation effect should remain in a slideshow.

PowerPoint trigger customization.

Trigger customization

The library allows you to trigger custom animations in one of the following actions:

  • On clicking

  • With another animation

  • After previous animation

Text animations in .NET PowerPoint Library.

Applying text animation

The library allows text to be animated in the following ways:

  • Apply animations to the parent shape.
  • Apply an individual animation effect to a piece of text so that the text will be animated separately from its parent shape. This is mostly used with bullets and numbering.

PowerPoint animation code example

Animation effects can be easily added to shapes, images, tables, charts, and SmartArt diagrams using a few simple lines of C# code, as demonstrated in the following example. Also explore this .NET PowerPoint Library example, which shows how to create and modify PowerPoints on different platforms.

//Create an instance for PowerPoint.

using (IPresentation pptxDoc = Presentation.Create())

{

//Add a blank slide to presentation.

ISlide slide = pptxDoc.Slides.Add(SlideLayoutType.Blank);

//Add normal shape to slide.

IShape cubeShape = slide.Shapes.AddShape(AutoShapeType.Cube, 50, 200, 300, 300);

//Access the animation sequence to create effects.

ISequence sequence = slide.Timeline.MainSequence;

//Add bounce effect to the shape.

IEffect bounceEffect = sequence.AddEffect(cubeShape, EffectType.Bounce, EffectSubtype.None, EffectTriggerType.OnClick);

//Save the presentation.

pptxDoc.Save("Sample.pptx");

}

PowerPoint transitions

Slide transitions are the motion effects that occur when you move from one slide to the next during a slide show presentation. A transition can be as simple as the push type, which pushes to the next slide with an eye-catching effect. You can control the speed, add sound, and customize the properties of transition effects using the .NET PowerPoint Library.


How to add a transition effect to a PowerPoint slide in C#

  1. Install NuGet package: Install the Syncfusion.Presentation.Net.Core NuGet package in your project.
  2. Create presentation: Create a new presentation document as an IPresentation object.
  3. Create slide: Add a blank slide as an ISlide object.
  4. Add shape: Add a shape using the AddShape method.
  5. Set transition effect and option: Set the TransitionEffect and TransitionEffectOption.
  6. Save the presentation: Save the IPresentation object to the FileStream object.

Here is an example of how to add a transition to a PowerPoint slide in C# using the Syncfusion .NET PowerPoint Library.

//Create a PowerPoint presentation.
using IPresentation presentation = Presentation.Create();

//Add a blank slide to the presentation.
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);

//Add a shape to the slide.
IShape cubeShape = slide.Shapes.AddShape(AutoShapeType.Cube, 50, 100, 200, 200);

//Set the transition effect type.
slide.SlideTransition.TransitionEffect = TransitionEffect.Checkerboard;

//Set the transition effect options.
slide.SlideTransition.TransitionEffectOption = TransitionEffectOption.Across;

//Save the PowerPoint presentation as stream.
using FileStream outputStream = new FileStream("Sample.pptx", FileMode.Create, FileAccess.ReadWrite);
presentation.Save(outputStream);

Customize PowerPoint transitions

Transition duration

Set the transition duration value to up to 59 seconds. This specifies the length of the slide transition.

Transition delay

Set a transition delay to delay the next transition for a certain number of seconds.

Trigger mode of transition

Decide whether slides progress through manual mouse clicks or automated time triggers. This flexibility ensures dynamic presentations that align with your speaking pace or predefined schedules.

Speed of transition

By default, each transition will happen for two seconds. Users can change the speed of transitions to fast, slow, or medium.



Awards

Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

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