这些打印类用于检索后台打印文件、输出队列、打印机以及其他打印资源的列表。
These print classes are used to retrieve lists of spooled files, output queues, printers, and other print resources.
例如，一个输出队列带有一个相关的文本描述，还包含一些其中含有文本内容的spool文件。
For example, an output queue has a text description associated with it - and also contains spool files with text in them.
输出队列中的spool文件。
scs格式的spool文件通常用于存储输出队列中的报告和作业日志，以便应用程序稍后处理它们。
Spool files created with the SCS format are commonly used for storing reports and job logs in an output queue so that they can be processed later by an application.
在上面的例子中，输出队列库和队列名称使用了空字符串，表明将对所有输出队列中的spool文件进行索引。
In the above example, empty string is used for the output queue library and queue name to indicate that spool files from any output queue are considered for indexing.
这些类还可以处理输出队列和后台打印文件，回答后台打印文件的消息，执行其他打印相关任务。
These classes can also work with output queues and spooled files, answer messages for spooled files and do other print related tasks.
尽管spool文件存在于输出队列中，但我们通常使用其他标准来选取它们。
Although spool files exist within an output queue, they are usually selected using other criteria.
尽管spool文件存在于输出队列中，但我们通常使用其他标准来选取它们。
Although spool files exist within an output queue, they are usually selected using other criteria.
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