public NonNullCollection <TreeNode <T> > GetDescendants()
{
NonNullCollection <TreeNode <T> > result
= new NonNullCollection <TreeNode <T> >();
foreach (TreeNode <T> child in Children)
{
result.Add(child);
result.AddRange(child.GetDescendants());
}
return(result);
}
/// <summary>
/// Constructor.
/// </summary>
public TreeNode()
{
Children = new NonNullCollection <TreeNode <T> >();
}