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CompositionObject.StartAnimationGroup(ICompositionAnimationBase) Método

Definição

Inicia um grupo de animação.

O método StartAnimationGroup em CompositionObject permite iniciar CompositionAnimationGroup. Todas as animações no grupo serão iniciadas ao mesmo tempo no objeto .

public:
 virtual void StartAnimationGroup(ICompositionAnimationBase ^ value) = StartAnimationGroup;
void StartAnimationGroup(ICompositionAnimationBase const& value);
public void StartAnimationGroup(ICompositionAnimationBase value);
function startAnimationGroup(value)
Public Sub StartAnimationGroup (value As ICompositionAnimationBase)

Parâmetros

value
ICompositionAnimationBase

O grupo de animação a ser iniciado.

Requisitos do Windows

Família de dispositivos
Windows 10 Anniversary Edition (introduzida na 10.0.14393.0)
API contract
Windows.Foundation.UniversalApiContract (introduzida na v3.0)

Exemplos

class PropertyAnimation
{
  PropertyAnimation(Compositor compositor, SpriteVisual heroVisual)
  {
    // Define ImplicitAnimations
    ImplicitAnimationCollection implicitAnimations = compositor.CreateImplicitAnimationCollection();

    // Animate multiple properties on the target when the “Offset” property changes. 
    CompositionAnimationGroup animationGroup = compositor.CreateCompositionAnimationGroup();

    animationGroup.Add(CreateSizeAnimation(compositor));
    animationGroup.Add(CreateRotationAnimation(compositor));

    // Set the CenterPoint so that rotation will be around the center
    heroVisual.CenterPoint = new Vector3((heroVisual.Size.X/2.0f), (heroVisual.Size.Y/2.0f), 0.0f);

    // Start AnimationGroup
    heroVisual.StartAnimationGroup(animationGroup);
  }


  Vector2KeyFrameAnimation CreateSizeAnimation(Compositor compositor)
  {
    Vector2KeyFrameAnimation animation  = compositor.CreateVector2KeyFrameAnimation();

    CubicBezierEasingFunction easing = compositor.CreateCubicBezierEasingFunction(new Vector2(0.80f, 0.0f), new Vector2(0.95f, 1.0f));

    // value (as the animation will target on the “Size” property).
    animation.InsertExpressionKeyFrame(0f, "this.StartingValue", easing);
    animation.InsertExpressionKeyFrame(1f, "this.StartingValue * 2", easing);
    animation.Duration = TimeSpan.FromSeconds(0.25);
    animation.Target = “Size”;

    return animation;
  }


  ScalarKeyFrameAnimation CreateRotationAnimation(Compositor compositor)
  {
    ScalarKeyFrameAnimation animation = compositor.CreateScalarKeyFrameAnimation();

    // Create KeyFrameAnimation to animate RotationAngleInDegrees by 90 degrees.	

    animation.InsertExpressionKeyFrame(0f, "this.StartingValue”);
    animation.InsertExpressionKeyFrame(1f, "this.StartingValue + 90.0f”);
    animation.Duration = TimeSpan.FromSeconds(0.25);
    animation.Target = “RotationAngleInDegrees”;

    return animation;
  }
}


Comentários

StartAnimationGroup usa CompositionAnimationGroup como um parâmetro para iniciar todas as animações no grupo ao mesmo tempo no objeto . CompositionAnimation no grupo deve ter um valor atribuído à propriedade Target .

Para obter eventos Completed para todas as animações, StartAnimationGroup deve ser chamado de um CompositionScopedBatch com um evento Completed registrado.

Aplica-se a