/// <summary>
/// 演示用的补充方法：实现迭代器，并且对容器对象实现隐性递归
/// </summary>
/// <returns></returns>
public virtual IEnumerable <Component> Enumerate(IMatchRule rule)
{
if ((rule == null) || (rule.IsMatch(this)))
{
yield return(this);
}
if ((children != null) && (children.Count > 0))
{
foreach (Component child in children)
{
foreach (Component item in child.Enumerate(rule))
{
if ((rule == null) || (rule.IsMatch(item)))
{
yield return(item);
}
}
}
}
}
public virtual void GetNameList(List <string> names, IMatchRule rule)
{
if (rule == null || rule.IsMatch(this))
{
names.Add(this.Name);
}
if (children != null && children.Count > 0)
{
foreach (Component child in children)
{
child.GetNameList(names, rule);
}
}
}