/// <summary>
/// Apply Opacity animation to an object
/// </summary>
/// <param name="objectToAnimate">Object to animate</param>
/// <param name="parentObj">Storyboard parent Object</param>
/// <param name="storyboard">Storyboard reference</param>
/// <param name="beginTime">Begin time</param>
/// <param name="duration">Animation duration</param>
/// <param name="targetValue">Target opacity value</param>
/// <returns>Storyboard</returns>
internal static Storyboard ApplyPropertyAnimation(DependencyObject objectToAnimate, String property, FrameworkElement parentObj, Storyboard storyboard, Double beginTime, Double[] timeCollection, Double[] valueCollection, List <KeySpline> splain)
{
if (objectToAnimate != null && parentObj != null)
{
DoubleCollection values = Graphics.GenerateDoubleCollection(valueCollection);
DoubleCollection frameTimes = Graphics.GenerateDoubleCollection(timeCollection);
DoubleAnimationUsingKeyFrames animation = AnimationHelper.CreateDoubleAnimation(parentObj, objectToAnimate, property, beginTime, frameTimes, values, splain);
storyboard.Children.Add(animation);
}
return(storyboard);
}
/// <summary>
/// Apply Opacity animation to an object
/// </summary>
/// <param name="objectToAnimate">Object to animate</param>
/// <param name="parentObj">Storyboard parent Object</param>
/// <param name="storyboard">Storyboard reference</param>
/// <param name="beginTime">Begin time</param>
/// <param name="duration">Animation duration</param>
/// <param name="targetValue">Target opacity value</param>
/// <returns>Storyboard</returns>
internal static Storyboard ApplyOpacityAnimation(FrameworkElement objectToAnimate, FrameworkElement parentObj, Storyboard storyboard, Double beginTime, Double duration, Double fromValue, Double targetValue)
{
if (objectToAnimate != null && parentObj != null)
{
DoubleCollection values = Graphics.GenerateDoubleCollection(fromValue, targetValue);
DoubleCollection frameTimes = Graphics.GenerateDoubleCollection(0, duration);
List <KeySpline> splines = GenerateKeySplineList
(
new Point(0, 0), new Point(1, 1),
new Point(0, 0), new Point(0.5, 1)
);
objectToAnimate.Opacity = fromValue;
DoubleAnimationUsingKeyFrames opacityAnimation = AnimationHelper.CreateDoubleAnimation(parentObj, objectToAnimate, "(UIElement.Opacity)", beginTime + 0.5, frameTimes, values, splines);
storyboard.Children.Add(opacityAnimation);
}
return(storyboard);
}