C# Storyboard.Begin方法代码示例

        private void StartAnimation(EasingFunctionBase easingFunction)
        {
            // show the chart
            chartControl.Draw(easingFunction);

            // animation
#if WPF
            NameScope.SetNameScope(translate1, new NameScope());
#endif

            var storyboard = new Storyboard();
            var ellipseMove = new DoubleAnimation();
            ellipseMove.EasingFunction = easingFunction;
            ellipseMove.Duration = new Duration(TimeSpan.FromSeconds(AnimationTimeSeconds));
            ellipseMove.From = 0;
            ellipseMove.To = 460;
#if WPF
            Storyboard.SetTargetName(ellipseMove, nameof(translate1));
            Storyboard.SetTargetProperty(ellipseMove, new PropertyPath(TranslateTransform.XProperty));
#else
            Storyboard.SetTarget(ellipseMove, translate1);
            Storyboard.SetTargetProperty(ellipseMove, "X");
#endif

            ellipseMove.BeginTime = TimeSpan.FromSeconds(0.5); // start animation in 0.5 seconds
            ellipseMove.FillBehavior = FillBehavior.HoldEnd; // keep position after animation

            storyboard.Children.Add(ellipseMove);
#if WPF
            storyboard.Begin(this);
#else
            storyboard.Begin();
#endif
        }

        /// <summary>
        /// Begint een nieuw storyboard dat het menu grid uitschuift of inschuift naar een positieve (zichtbaar) of negatieve (onzichtbaar) margin.
        /// </summary>
        public void BeginMenuAnimatie()
        {
            Storyboard storyboard = new Storyboard();
            TranslateTransform beweegTransformatie = new TranslateTransform();
            menu.RenderTransform = beweegTransformatie;
            DoubleAnimation verplaatsMenuAnimatie = new DoubleAnimation();
            verplaatsMenuAnimatie.Duration = new Duration(TimeSpan.FromSeconds(0.15));
            if (btnHideShow.Content.Equals(">"))
            {
                verplaatsMenuAnimatie.To = 303;
                verplaatsMenuAnimatie.From = 0;
                btnHideShow.Content = "<";
            }
            else
            {
                verplaatsMenuAnimatie.To = 0;
                verplaatsMenuAnimatie.From = 303;
                btnHideShow.Content = ">";
            }

            storyboard.Children.Add(verplaatsMenuAnimatie);
            Storyboard.SetTarget(verplaatsMenuAnimatie, beweegTransformatie);
            Storyboard.SetTargetProperty(verplaatsMenuAnimatie, "X");
            storyboard.Begin();
        }

        public void AnimateVertexForward(VertexControl target)
        {
            var transform = CustomHelper.GetScaleTransform(target);
            if (transform == null)
            {
                target.RenderTransform = new ScaleTransform();
                transform = target.RenderTransform as ScaleTransform;
                if (CenterScale)
                    target.RenderTransformOrigin = new Point(.5, .5);
                else
                    target.RenderTransformOrigin = new Point(0, 0);
            }

            var sb = new Storyboard();
            var scaleAnimation = new DoubleAnimation { Duration = new Duration(TimeSpan.FromSeconds(Duration)), From = 1, To = ScaleTo };
            Storyboard.SetTarget(scaleAnimation, target);
            Storyboard.SetTargetProperty(scaleAnimation, "(UIElement.RenderTransform).(CompositeTransform.ScaleX)");
            sb.Children.Add(scaleAnimation);
            scaleAnimation = new DoubleAnimation { Duration = new Duration(TimeSpan.FromSeconds(Duration)), From = 1, To = ScaleTo };
            Storyboard.SetTarget(scaleAnimation, target);
            Storyboard.SetTargetProperty(scaleAnimation, "(UIElement.RenderTransform).(CompositeTransform.ScaleY)");
            sb.Children.Add(scaleAnimation);

            //transform.BeginAnimation(ScaleTransform.ScaleXProperty, scaleAnimation);
            //transform.BeginAnimation(ScaleTransform.ScaleYProperty, scaleAnimation);
            sb.Begin();
        }

        private void UIElement_OnPointerEntered(object sender, PointerRoutedEventArgs e)
        {
            var border = (Border)sender;

            // Somehow ZIndex doesn't work in the UniformGrid
            // Perhaps if Jupiter had a method called Panel.GetVisualChild available to override...
            // See: http://blog.pixelingene.com/2007/12/controlling-z-index-of-children-in-custom-controls/
            //Canvas.SetZIndex(border, ++_maxZIndex);
            var sb = new Storyboard();

            var a1 = new DoubleAnimation();
            a1.Duration = TimeSpan.FromSeconds(0.2);
            a1.To = 0.9;
            a1.EasingFunction = new PowerEase { Power = 2, EasingMode = EasingMode.EaseOut };
            Storyboard.SetTarget(a1, border.RenderTransform);
            Storyboard.SetTargetProperty(a1, "ScaleX");
            sb.Children.Add(a1);

            var a2 = new DoubleAnimation();
            a2.Duration = TimeSpan.FromSeconds(0.2);
            a2.To = 0.9;
            a2.EasingFunction = new PowerEase { Power = 2, EasingMode = EasingMode.EaseOut };
            Storyboard.SetTarget(a2, border.RenderTransform);
            Storyboard.SetTargetProperty(a2, "ScaleY");
            sb.Children.Add(a2);

            sb.Begin();
        }

        public void MoveTo(Point from, Point to, EventHandler<object> completed = null)
        {
            TranslateTransform trans = new TranslateTransform();

            _participant.Name = "MyTarget";
            _participant.RenderTransform = trans;

            DoubleAnimation anim1 = new DoubleAnimation() { From = from.X, To = to.X, Duration = TimeSpan.FromMilliseconds(Utility.GAME_TICK_MS - 1) };
            DoubleAnimation anim2 = new DoubleAnimation() { From = from.Y, To = to.Y, Duration = TimeSpan.FromMilliseconds(Utility.GAME_TICK_MS - 1) };

            Storyboard.SetTarget(anim1, _participant);
            Storyboard.SetTargetName(anim1, _participant.Name);
            Storyboard.SetTargetProperty(anim1, "(Canvas.Left)");

            Storyboard.SetTarget(anim2, _participant);
            Storyboard.SetTargetName(anim2, _participant.Name);
            Storyboard.SetTargetProperty(anim2, "(Canvas.Top)");

            Storyboard sb = new Storyboard();
            sb.Children.Add(anim1);
            sb.Children.Add(anim2);

            if (completed == null)
                sb.Completed += (object sender, object e) => { };
            else
                sb.Completed += completed;

            sb.Begin();
        }

        /// <summary>
        /// Starts new animation from given images. 
        /// </summary>
        /// <param name="imageNames">Names of images in assets folder</param>
        /// <param name="interval">Interval between animation frames</param>
        public void StartAnimation(IEnumerable<string> imageNames, TimeSpan interval)
        {
            Storyboard storyboard = new Storyboard();
            ObjectAnimationUsingKeyFrames animation = new ObjectAnimationUsingKeyFrames();

            // We're going to animate image inside our control.
            Storyboard.SetTarget(animation, image);
            // Animation relies on changing value of property source
            Storyboard.SetTargetProperty(animation, nameof(image.Source));

            TimeSpan currentInterval = TimeSpan.FromMilliseconds(0);
            foreach (string imageName in imageNames)
            {
                // We're creating individual frames from given images
                ObjectKeyFrame keyFrame = new DiscreteObjectKeyFrame();
                keyFrame.Value = CreateImageFromAssets(imageName);
                keyFrame.KeyTime = currentInterval;
                animation.KeyFrames.Add(keyFrame);
                currentInterval = currentInterval.Add(interval);
            }

            // We're configuring our storyboard which will play animations
            storyboard.RepeatBehavior = RepeatBehavior.Forever;
            storyboard.AutoReverse = true;
            storyboard.Children.Add(animation);
            storyboard.Begin();
        }

        static public void AnimateOpacity(FrameworkElement element, double start, double end, double duration)
        {
            element.Opacity = 0;

            Duration animationDuration = new Duration(TimeSpan.FromSeconds(duration));
            DoubleAnimation opacityAnimation = new DoubleAnimation();

            opacityAnimation.Duration = animationDuration;
            opacityAnimation.From = start;
            opacityAnimation.To = end;

            Storyboard sb = new Storyboard();
            sb.Duration = animationDuration;

            sb.Children.Add(opacityAnimation);

            Storyboard.SetTarget(opacityAnimation, element);

            // Set the X and Y properties of the Transform to be the target properties
            // of the two respective DoubleAnimations.
            Storyboard.SetTargetProperty(opacityAnimation, "Opacity");

            // Begin the animation.
            sb.Begin();
        }

        private void FadeIn()
        {
            if (_Running)
            {
                DoubleAnimation fadeIn = new DoubleAnimation();

                fadeIn.From = 0.0;
                fadeIn.To = 1;
                fadeIn.Duration = new Duration(TimeSpan.FromSeconds(2));
                fadeIn.BeginTime = TimeSpan.FromSeconds(2);

                Storyboard sb = new Storyboard();

                Storyboard.SetTarget(fadeIn, _Control);
                Storyboard.SetTargetProperty(fadeIn, "Opacity");

                sb.Children.Add(fadeIn);

                _Control.Resources.Clear();
                _Control.Resources.Add("FaderEffect", sb);

                sb.Completed += this.OnFadeInCompleted;

                sb.Begin();
            }
        }

        public static void Animate(this UIElement element, double from, double to, double fullDistance)
        {
            if (element == null)
            {
                throw new ArgumentNullException("element");
            }

            var transform = new TranslateTransform();
            element.RenderTransform = transform;

            var xAnimation = new DoubleAnimation
            {
                From = from,
                Duration = TimeSpan.FromMilliseconds(GetAnimationSpeed(from, to, fullDistance)),
                To = to,
                EnableDependentAnimation = true,
                EasingFunction = new SineEase() { EasingMode = EasingMode.EaseOut }
            };

            Storyboard.SetTarget(xAnimation, transform);
            Storyboard.SetTargetProperty(xAnimation, "X");

            var storyboard = new Storyboard();
            storyboard.Children.Add(xAnimation);

            storyboard.Begin();
        }

 private static void BeginAnimation(DependencyObject obj, string property, Timeline animation)
 {
     Storyboard.SetTargetProperty(animation, property);
     Storyboard.SetTarget(animation, obj);
     var storyboard = new Storyboard();
     storyboard.Children.Add(animation);
     storyboard.Begin();
 }

 public static void BeginAnimation(this DependencyObject target, Timeline animation, string path)
 {
     var sb = new Storyboard();
     Storyboard.SetTarget(animation, target);
     Storyboard.SetTargetProperty(animation, path);
     sb.Children.Add(animation);
     sb.Begin();
 }

        private static void ShowUpAnimation(UIElement element)
        {
            var animation = new PointerUpThemeAnimation();
            Storyboard.SetTarget(animation, element);

            var storyboard = new Storyboard();
            storyboard.Children.Add(animation);
            storyboard.Begin();
        }

		public static void Flip(UIElement ctrl, UIElement frontCtrl, UIElement backCtrl, TimeSpan duration, bool transitionToBack, Action completed = null)
		{
			duration = new TimeSpan(duration.Ticks / 2);
			var proj = ctrl.Projection is PlaneProjection ? (PlaneProjection)ctrl.Projection : new PlaneProjection();
			if (ctrl.Projection != proj)
				ctrl.Projection = proj;

			var animation = new DoubleAnimation();
			animation.From = 0.0;
			animation.To = 90.0 * (transitionToBack ? 1 : -1);
			animation.Duration = new Duration(duration);

			var story = new Storyboard();
			story.Children.Add(animation);

			Storyboard.SetTarget(animation, proj);
			Storyboard.SetTargetProperty(animation, "RotationY");

			story.Completed += delegate
			{
				animation = new DoubleAnimation();
				animation.From = 270.0 * (transitionToBack ? 1 : -1);
				animation.To = 360.0 * (transitionToBack ? 1 : -1);
				animation.Duration = new Duration(duration);

				story = new Storyboard();
				story.Children.Add(animation);

				Storyboard.SetTarget(animation, proj);
				Storyboard.SetTargetProperty(animation, "RotationY");

				frontCtrl.Visibility = transitionToBack ? Visibility.Collapsed : Visibility.Visible;
				backCtrl.Visibility = !transitionToBack ? Visibility.Collapsed : Visibility.Visible;

				story.Completed += delegate
				{
					proj.RotationY = 0.0;
					if (completed != null)
						completed();
				};
				story.Begin();
			};
			story.Begin();
		}

        public static void FadeIn(UIElement element)
        {
            element.Visibility = Visibility.Visible;
            var fadeInStoryboard = new Storyboard();
            var fadeInAnimation = new FadeInThemeAnimation();

            Storyboard.SetTarget(fadeInAnimation, element);
            fadeInStoryboard.Children.Add(fadeInAnimation);
            fadeInStoryboard.Begin();
        }

        public static void FadeOut(UIElement element)
        {
            var fadeOutStoryboard = new Storyboard();
            var fadeOutAnimation = new FadeOutThemeAnimation();

            Storyboard.SetTarget(fadeOutAnimation, element);
            fadeOutStoryboard.Children.Add(fadeOutAnimation);
            fadeOutStoryboard.Completed += (sender, o) => element.Visibility = Visibility.Collapsed;
            fadeOutStoryboard.Begin();
        }