/// <summary>
/// Initializes a new instance of the <see cref="ElementNode"/> class.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="owner">The owner.</param>
/// <exception cref="System.ArgumentNullException">element</exception>
internal ElementNode(CodeElement element, FileItemManager owner)
{
_owner = owner;
if (element == null)
{
throw new ArgumentNullException("element");
}
Element = element;
if (!element.NoWatchedChildren())
{
_elements = element.Children();
}
refreshOffset(); //initialize offset
}
/// <summary>
/// Gets children that satisfies constraint on given part.
/// </summary>
/// <param name="part">Extending part that is free of generics. If null, all children are returned.</param>
/// <returns>Children that satisfies part extension.</returns>
public IEnumerable <ElementPosition> ExtendByChildren(string part)
{
var children = Element.Children();
return(ExtendElements(children, part));
}