public static void AddAnnotationReference(SceneElement element, AnnotationSceneNode annotation)
{
ExceptionChecks.CheckNullArgument <SceneElement>(element, "element");
ExceptionChecks.CheckNullArgument <AnnotationSceneNode>(annotation, "annotation");
string str = annotation.Id;
if (string.IsNullOrEmpty(str))
{
str = AnnotationUtils.SetAnnotationId(annotation);
}
IEnumerable <string> referencedAnnotationIds = AnnotationUtils.GetReferencedAnnotationIds(element);
AnnotationUtils.SetAnnotationReferences(element, EnumerableExtensions.AppendItem <string>(referencedAnnotationIds, str));
}
public static bool RemoveAnnotationReference(SceneElement element, AnnotationSceneNode annotation)
{
ExceptionChecks.CheckNullArgument <SceneElement>(element, "element");
ExceptionChecks.CheckNullArgument <AnnotationSceneNode>(annotation, "annotation");
string annotationId = annotation.Id;
if (string.IsNullOrEmpty(annotationId))
{
return(false);
}
List <string> list = Enumerable.ToList <string>(AnnotationUtils.GetReferencedAnnotationIds(element));
IEnumerable <string> enumerable = Enumerable.Where <string>((IEnumerable <string>)list, (Func <string, bool>)(id => id.Equals(annotationId, StringComparison.OrdinalIgnoreCase)));
if (!Enumerable.Any <string>(enumerable))
{
return(false);
}
AnnotationUtils.SetAnnotationReferences(element, Enumerable.Except <string>((IEnumerable <string>)list, enumerable));
return(true);
}
