/// <summary>
/// 将一个数据加入树的子结点
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public JTree <T> Add(T node)
{
JTree <T> child = new JTree <T>(node);
mChildren.Add(child);
child.Parent = this;
return(child);
}
/// <summary>
/// 删除树的第一级子树
/// </summary>
/// <param name="child">第一级子树</param>
/// <returns>被删除的子树</returns>
public JTree <T> Remove(JTree <T> child)
{
return(mChildren.Remove(child) ? child : null);
}