必威体育精装版《C#语言程序设计(第版)》教学课件——第四部分.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 基于属性的动画技术 DoubleAnimation: Animation System.Windows.Media.Animation From: 起始值 To: 终止值 Duration: 持续时间 动画 DoubleAnimation ani1 = new DoubleAnimation(); ani1.From = 100; ani1.To = 10; ani1.Duration = TimeSpan.FromSeconds(5); ellipse1.BeginAnimation(Canvas.TopProperty, ani1); 基于属性的动画技术 DoubleAnimation: Animation System.Windows.Media.Animation From: 起始值 To: 终止值 Duration: 持续时间 动画 Style x:Key=ImgFadeStyle TargetType=Image Style.Triggers Trigger Property=Control.IsMouseOver Value=True Trigger.EnterActions BeginStoryboard Storyboard DoubleAnimation From=1.0 To=0.0 Duration=0:0:5 Storyboard.TargetProperty=Opacity / /Storyboard /BeginStoryboard /Trigger.EnterActions /Trigger /Style.Triggers /Style 动画 MediaTimeline Timeline DependencyObject DispatcherObject Freezable Animatable AnimationTimeline TimelineGroup ParallelTimeline TimeLine Duration SpeedRatio AutoReverse 动画 DoubleAnimation ani1 = new DoubleAnimation(); ani1.From = 0; ani1.To = 100; ani1.Duration = TimeSpan.FromSeconds(5); ani.AutoReverse = true; ellipse1.BeginAnimation(Ellipse.WidthProperty, ani1); TimeLine Duration SpeedRatio AutoReverse RepeatBehavior 动画 DoubleAnimation ani1 = new DoubleAnimation(); ani1.From = 0; ani1.To = 100; ani1.Duration = TimeSpan.FromSeconds(5); ani.RepeatBehavior = new RepeatBehavior(3); ellipse1.BeginAnimation(Ellipse.WidthProperty, ani1); TimeLine Duration SpeedRatio AutoReverse RepeatBehavior 动画 DoubleAnimation ani1 = new DoubleAnimation(); ani1.From = 0; ani1.To = 100; ani1.Duration = TimeSpan.FromSeconds(5); ani.RepeatBehavior = RepeatBehavior.Forever; ellipse1.BeginAnimation(Ellipse.WidthProperty, ani1); TimeLine Duration SpeedRatio AutoReverse RepeatBehavior 动画 DoubleAnimation ani1 = new DoubleAnimation(); ani1.From = 0; ani1.To = 100; ani1.Duration = TimeSpan.FromSeconds(5); ani1.RepeatBehavior =