PPT中的动画效果可分为已有内置动画以及自定义动画。设置内置动画，只需直接指定动画效果类型即可。本文主要介绍如何实现自定义动画，即自定义形状动作线性路径。附C#及VB.NET代码供参考。
程序运行环境如下：
- .Net Framework 4.8
- Visual Studio
- Spire.Presentation.dll 6.4.5
所需引用的必要程序集文件如下图：
C#
using Spire.Presentation;using Spire.Presentation.Collections;using Spire.Presentation.Drawing.Animation;using System.Drawing;namespace CustomAnimation{ class Program { static void Main(string[] args) { //创建一个幻灯片文档(新建的文档已默认包含一页幻灯片） Presentation ppt = new Presentation(); ISlide slide = ppt.Slides[0];//获取第一页空白幻灯片 //添加形状（指定形状坐标、大小及相关格式设置） IAutoShape shape = slide.Shapes.AppendShape(ShapeType.FivePointedStar, new RectangleF(100, 50, 180, 180)); shape.Fill.FillType = Spire.Presentation.Drawing.FillFormatType.Gradient; shape.Fill.Gradient.GradientStops.Append(0, KnownColors.SkyBlue); shape.Fill.Gradient.GradientStops.Append(1, KnownColors.Pink); shape.ShapeStyle.LineColor.Color = Color.White; //给形状设置动画效果 AnimationEffect effect = ppt.Slides[0].Timeline.MainSequence.AddEffect(shape, AnimationEffectType.PathUser); CommonBehaviorCollection common = effect.CommonBehaviorCollection; AnimationMotion motion = (AnimationMotion)common[0]; motion.Origin = AnimationMotionOrigin.Layout; motion.PathEditMode = AnimationMotionPathEditMode.Relative; MotionPath moinPath = new MotionPath(); moinPath.Add(MotionCommandPathType.MoveTo, new PointF[] { new PointF(0, 0) }, MotionPathPointsType.CurveAuto, true); moinPath.Add(MotionCommandPathType.LineTo, new PointF[] { new PointF(0.18f, 0.18f) }, MotionPathPointsType.CurveAuto, true); moinPath.Add(MotionCommandPathType.LineTo, new PointF[] { new PointF(-0.1f, 0.2f) }, MotionPathPointsType.CurveAuto, true); moinPath.Add(MotionCommandPathType.LineTo, new PointF[] { new PointF(0.25f, 0.2f) }, MotionPathPointsType.CurveAuto, true); moinPath.Add(MotionCommandPathType.End, new PointF[] { }, MotionPathPointsType.CurveStraight, true); motion.Path = moinPath; //保存文档 ppt.SaveToFile("CustomAnimation.pptx", FileFormat.Pptx2013); System.Diagnostics.Process.Start("CustomAnimation.pptx"); } }}
VB.NET
Imports Spire.PresentationImports Spire.Presentation.CollectionsImports Spire.Presentation.Drawing.AnimationImports System.DrawingNamespace CustomAnimation Class Program Private Shared Sub Main(args As String()) '创建一个幻灯片文档(新建的文档已默认包含一页幻灯片） Dim ppt As New Presentation() Dim slide As ISlide = ppt.Slides(0) '获取第一页空白幻灯片 '添加形状（指定形状坐标、大小及相关格式设置） Dim shape As IAutoShape = slide.Shapes.AppendShape(ShapeType.FivePointedStar, New RectangleF(100, 50, 180, 180)) shape.Fill.FillType = Spire.Presentation.Drawing.FillFormatType.Gradient shape.Fill.Gradient.GradientStops.Append(0, KnownColors.SkyBlue) shape.Fill.Gradient.GradientStops.Append(1, KnownColors.Pink) shape.ShapeStyle.LineColor.Color = Color.White '给形状设置动画效果 Dim effect As AnimationEffect = ppt.Slides(0).Timeline.MainSequence.AddEffect(shape, AnimationEffectType.PathUser) Dim common As CommonBehaviorCollection = effect.CommonBehaviorCollection Dim motion As AnimationMotion = DirectCast(common(0), AnimationMotion) motion.Origin = AnimationMotionOrigin.Layout motion.PathEditMode = AnimationMotionPathEditMode.Relative Dim moinPath As New MotionPath() moinPath.Add(MotionCommandPathType.MoveTo, New PointF() {New PointF(0, 0)}, MotionPathPointsType.CurveAuto, True) moinPath.Add(MotionCommandPathType.LineTo, New PointF() {New PointF(0.18F, 0.18F)}, MotionPathPointsType.CurveAuto, True) moinPath.Add(MotionCommandPathType.LineTo, New PointF() {New PointF(-0.1F, 0.2F)}, MotionPathPointsType.CurveAuto, True) moinPath.Add(MotionCommandPathType.LineTo, New PointF() {New PointF(0.25F, 0.2F)}, MotionPathPointsType.CurveAuto, True) moinPath.Add(MotionCommandPathType.[End], New PointF() {}, MotionPathPointsType.CurveStraight, True) motion.Path = moinPath '保存文档 ppt.SaveToFile("CustomAnimation.pptx", FileFormat.Pptx2013) System.Diagnostics.Process.Start("CustomAnimation.pptx") End Sub End ClassEnd Namespace动画效果：
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PPT中的动画效果可分为已有内置动画以及自定义动画。设置内置动画，只需直接指定动画效果类型即可。本文主要介绍如何实现自定义动画，即自定义形状动作线性路径。附C#及VB.NET代码供参考。程序运行环境如下：.NetFramework4.8VisualStudioSpire.Presentation.dll6.4.5所需引用的必要程序集文件如下图：C#usingSpire.Presentation;u
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