Delphi:Delphi双向循环的链表应用实例源代码，演示添加节点、插入节点、删除节点、删除尾节点以及创建链表节点数据，操作成功后，点击刷新，可看到左侧树结构中已存在添加的数据。

-Delphi: Delphi way circular linked list application source code examples, demonstrates adding nodes, insert nodes, delete nodes, delete nodes, and create lists tail node data, the operation was successful, click refresh, you can see the left side of the tree structure already exists to add data.