/// <summary>
/// Place a item to carousel canvas.
/// </summary>
/// <param name="item">The item will be placed.</param>
/// <returns>The <see cref="CarouselItem"/> just placed.</returns>
private CarouselItem PlaceItem(ItemSource item)
{
CarouselItem cItem = new CarouselItem();
cItem.Width = ItemWidth;
cItem.Height = ItemHeight;
cItem.Source = item.ImageSource;
cItem.Tag = item;
// Attach the handle
cItem.MouseLeftButtonDown += new MouseButtonEventHandler(item_MouseLeftButtonDown);
// Add item to carousel canvas
CarouselCanvas.Children.Add(cItem);
return cItem;
}
/// <summary>
/// Build storyboard to animate the item.
/// </summary>
/// <param name="name">The name of the storyboard.</param>
/// <param name="from">The from angle.</param>
/// <param name="to">The end angle.</param>
/// <param name="duration">The duration of the animation.</param>
/// <returns>The builded storyboard.</returns>
//private Storyboard BuildStoryboard(CarouselItem item, double from, double to, Duration duration)
//{
// Storyboard storyboard = new Storyboard();
// //this.Resources.Add(name, storyboard);
// // Angle animation
// DoubleAnimation doubleAnimation = new DoubleAnimation();
// doubleAnimation.From = from;
// doubleAnimation.To = to;
// doubleAnimation.Duration = duration;
// doubleAnimation.RepeatBehavior = RepeatBehavior.Forever;
// // Set storyboard target property
// storyboard.Children.Add(doubleAnimation);
// Storyboard.SetTarget(doubleAnimation, item);
// Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("Angle"));
// return storyboard;
//}
/// <summary>
/// Build storyboard to animate the item.
/// </summary>
/// <param name="name">The name of the storyboard.</param>
/// <param name="by">The total amount by which the animation changes its starting value.</param>
/// <returns>The builded storyboard.</returns>
private Storyboard BuildStoryboard(CarouselItem item, double by, Duration duration)
{
Storyboard storyboard = new Storyboard();
//this.Resources.Add(name, storyboard);
// Angle animation
DoubleAnimation doubleAnimation = new DoubleAnimation();
doubleAnimation.By = by;
doubleAnimation.Duration = duration;
doubleAnimation.RepeatBehavior = RepeatBehavior.Forever;
// Set storyboard target property
storyboard.Children.Add(doubleAnimation);
Storyboard.SetTarget(doubleAnimation, item);
Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("Angle"));
return storyboard;
}