The non-containment item references in the logical model are mapped in the storage model to fields containing item handles.
逻辑模型中的非包含项引用在存储模型中映射到包含项句柄的字段。
For each item type there is a separate item handle class used to represent references to items of that type; item handles consist of item type and item id.
对于每个项类型，存在一个单独的项句柄类，用于表示对该类型的项的引用；项句柄由项类型和项id组成。
ItemFinders facilitate browsing because they can retrieve all of the items contained within a Folder or WorkQueue, as well as any additional item handles that have been requested.
ItemFinders有助于浏览，因为它们可以检索一个Folder或WorkQueue中包含的所有条目，以及请求的任何其他条目句柄。
Handles the event when a menu item is clicked.
处理单击菜单项时的事件。
The example custom step completion widget handles the receive work item event.
示例自定义步骤完成小部件处理接收工作项目事件。
The example custom step completion widget handles the receive work item event.
示例自定义步骤完成小部件处理接收工作项目事件。
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