private static Storyboard CreateStoryboard(this DependencyObject target, DependencyProperty animatingDependencyProperty, string propertyPath, string propertyKey, ref object toValue, TimeSpan durationTimeSpan, IEasingFunction easingFunction)
{
object obj = target.GetValue(animatingDependencyProperty);
Storyboard storyboard = new Storyboard();
Storyboard.SetTarget((DependencyObject)storyboard, target);
Storyboard.SetTargetProperty((DependencyObject)storyboard, new PropertyPath(propertyPath, new object[0]));
if (obj != null && toValue != null)
{
double doubleValue1;
double doubleValue2;
if (ValueHelper.TryConvert(obj, out doubleValue1) && ValueHelper.TryConvert(toValue, out doubleValue2))
{
DoubleAnimation doubleAnimation = new DoubleAnimation();
doubleAnimation.Duration = (Duration)durationTimeSpan;
doubleAnimation.To = new double?(ValueHelper.ToDouble(toValue));
toValue = (object)doubleAnimation.To;
storyboard.Children.Add((Timeline)doubleAnimation);
}
else
{
DateTime dateTimeValue1;
DateTime dateTimeValue2;
if (ValueHelper.TryConvert(obj, out dateTimeValue1) && ValueHelper.TryConvert(toValue, out dateTimeValue2))
{
ObjectAnimationUsingKeyFrames animationUsingKeyFrames = new ObjectAnimationUsingKeyFrames();
animationUsingKeyFrames.Duration = (Duration)durationTimeSpan;
long count = (long)(durationTimeSpan.TotalSeconds * 20.0);
if (count < 2L)
{
count = 2L;
}
IEnumerable <TimeSpan> intervalsInclusive = ValueHelper.GetTimeSpanIntervalsInclusive(durationTimeSpan, count);
foreach (DiscreteObjectKeyFrame discreteObjectKeyFrame in Enumerable.Zip <DateTime, TimeSpan, DiscreteObjectKeyFrame>(ValueHelper.GetDateTimesBetweenInclusive(dateTimeValue1, dateTimeValue2, count), intervalsInclusive, (Func <DateTime, TimeSpan, DiscreteObjectKeyFrame>)((dateTime, timeSpan) =>
{
return(new DiscreteObjectKeyFrame()
{
Value = (object)dateTime,
KeyTime = (KeyTime)timeSpan
});
})))
{
animationUsingKeyFrames.KeyFrames.Add((ObjectKeyFrame)discreteObjectKeyFrame);
toValue = discreteObjectKeyFrame.Value;
}
storyboard.Children.Add((Timeline)animationUsingKeyFrames);
}
}
}
if (storyboard.Children.Count == 0)
{
ObjectAnimationUsingKeyFrames animationUsingKeyFrames = new ObjectAnimationUsingKeyFrames();
DiscreteObjectKeyFrame discreteObjectKeyFrame1 = new DiscreteObjectKeyFrame();
discreteObjectKeyFrame1.Value = toValue;
discreteObjectKeyFrame1.KeyTime = (KeyTime) new TimeSpan(0, 0, 0);
DiscreteObjectKeyFrame discreteObjectKeyFrame2 = discreteObjectKeyFrame1;
animationUsingKeyFrames.KeyFrames.Add((ObjectKeyFrame)discreteObjectKeyFrame2);
storyboard.Children.Add((Timeline)animationUsingKeyFrames);
}
return(storyboard);
}