/// <summary>
/// Adds a range of objects to a list. The original list may be modified.
/// </summary>
public static IList AddRange (IList list, IList objects, IBusinessObjectReferenceProperty property, bool mustCreateCopy, bool createIfNull)
{
ArgumentUtility.CheckNotNull ("objects", objects);
CreateListMethod createListMethod = GetCreateListMethod (property);
if (list == null)
{
if (! createIfNull)
throw new ArgumentNullException ("list");
list = CreateList (createListMethod, null, objects.Count);
CopyTo (objects, list);
return list;
}
if (list.IsFixedSize
|| (mustCreateCopy && ! (list is ICloneable)))
{
ArrayList arrayList = new ArrayList (list);
arrayList.AddRange (objects);
IList newList = CreateList (createListMethod, list, arrayList.Count);
CopyTo (arrayList, newList);
return newList;
}
else
{
if (mustCreateCopy)
list = (IList) ((ICloneable) list).Clone();
foreach (object obj in objects)
list.Add (obj);
return list;
}
}
private static IList CreateList (CreateListMethod createListMethod, IList template, int size)
{
if (createListMethod != null)
return createListMethod (size);
else if (template is Array)
return Array.CreateInstance (template.GetType().GetElementType(), size);
else
throw new NotSupportedException ("Cannot create instance if argument 'createListMethod' is null and 'template' is not an array.");
}