导航内存中的数据树中的每个节点。
数据树现在反映用户输入,可以发送它了,见图 16。
The data tree now reflects the user input and you can go ahead and send it back, as shown in Figure 16.
以下示例概括在将列从左边的元数据树拖入列表中时检索数据的请求流。
The following example Outlines the request flow for retrieving data when a column is dragged from the left hand metadata tree into the list.
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