public static bool TryGetAspects(IDictionary <Guid, IList <MediaItemAspect> > aspectData,
MultipleMediaItemAspectMetadata mediaItemAspectMetadata, out IList <MultipleMediaItemAspect> values)
{
values = null;
IList <MediaItemAspect> mediaAspects;
if (!aspectData.TryGetValue(mediaItemAspectMetadata.AspectId, out mediaAspects) || mediaAspects.Count == 0)
{
return(false);
}
values = new List <MultipleMediaItemAspect>();
foreach (MediaItemAspect mediaAspect in mediaAspects)
{
values.Add((MultipleMediaItemAspect)mediaAspect);
}
return(true);
}
/// <summary>
/// Creates a new media item aspect instance for the specified media item aspect <paramref name="metadata"/>.
/// </summary>
/// <param name="metadata">Media item aspect specification.</param>
public MultipleMediaItemAspect(MultipleMediaItemAspectMetadata metadata) : base(metadata)
{
}
/// <summary>
/// Convenience method to get a <see cref="MediaItemAspect"/> from the given <paramref name="aspects"/> dictionary or add a new instance to the
/// dictionary and return it.
/// </summary>
/// <param name="aspects">Dictionary of MediaItemAspects.</param>
/// <param name="mediaItemAspectMetadata">Definiton of metadata that is used for creation.</param>
public static MultipleMediaItemAspect CreateAspect(IDictionary <Guid, IList <MediaItemAspect> > aspects, MultipleMediaItemAspectMetadata mediaItemAspectMetadata)
{
MultipleMediaItemAspect mediaAspect = new MultipleMediaItemAspect(mediaItemAspectMetadata);
AddOrUpdateAspect(aspects, mediaAspect);
return(mediaAspect);
}