get children：获取节点的子节点列表。
在当前节点的子节点列表的开始处创建一个新的子节点。
Creates a new child node at the beginning of the list of child nodes of the current node.
使用指定的XML数据字符串在当前节点的子节点列表的末尾创建一个新的子节点。
Creates a new child node at the end of the list of child nodes of the current node using the XML data string specified.
因为在父客户记录和其所有的子节点之间存在着多样的关系，所有客户相关对象的所有页面都开始于一个列表。
Because there are multiple relationships between the parent customer record and all of its child nodes, all of the pages for the customer-related objects start with a list.
由于节点的箭头只指向一个方向，所以无需对数据进行任何修改就可以将其用作子列表。
Because the arrows for the nodes point in only one direction, no modification to the data has to be made to use a sublist.
您可以在树视图(treeview)中的任何地方这么做，并且每次都只能得到可作为所选组件的子节点添加的相关组件的一个列表。
You can do this at any place in the treeview, and you will always only get a list of components that are relevant to add as child nodes for the selected components.
这样做使得我能够删除或替代当前的子节点，而不丢失我在列表中的踪迹。
This allows me to delete or replace the current child without losing track of where I am in the list.
这样做使得我能够删除或替代当前的子节点，而不丢失我在列表中的踪迹。
This allows me to delete or replace the current child without losing track of where I am in the list.
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