/// <summary>
/// Cria um nó para a raiz da árvore.
/// </summary>
/// <param name="tree"></param>
/// <param name="item"></param>
internal TreeViewSourceNode(TreeViewSource tree, object item)
{
_tree = tree;
_item = item;
_isExpanded = true;
Initialize();
_isExpanded = true;
}
/// <summary>
/// Verifica se as chaves informadas são iguais.
/// </summary>
/// <param name="tree"></param>
/// <param name="key1"></param>
/// <param name="key2"></param>
/// <returns></returns>
private static bool KeysEquals(TreeViewSource tree, object key1, object key2)
{
if (tree.KeyEqualityComparer != null)
{
return(tree.KeyEqualityComparer.Equals(key1, key2));
}
return((key1 == null && key2 == null) || (key1 != null && key1.Equals(key2)) || (key2 != null && key2.Equals(key1)));
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="node"></param>
public Enumerator(TreeViewSourceNode node)
{
_tree = node.GetTree();
_node = node;
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="owner"></param>
public ReentracyMonitor(TreeViewSource owner)
{
_owner = owner;
lock (_owner._reentrancyThreads)
_owner._reentrancyThreads.Add(System.Threading.Thread.CurrentThread);
}