Upgrades that include a print spooler resource 包含打印后台处理程序资源的升级
Background processing interrupt 后台处理中断
In the background 在后台处理。
See the following section , " upgrades that include a print spooler resource . 详细信息，请参阅下一节“包含打印后台处理程序资源的升级” 。
Alternatively , worker threads are used to perform background processing and do not use message loops 另外，辅助线程用来执行后台处理而且不使用消息循环。
First , the print spooler resource only supports the rolling upgrade of printers on lpr ports 首先，打印后台处理程序资源只支持滚动升级lpr端口上的打印机。
The only print spooler resources supported during a rolling upgrade are those on lpr ports 在滚动升级期间唯一支持的打印后台处理程序资源是lpr端口上的资源。
Any exceptions that occur while processing the asynchronous message in the background are handled by the 在后台处理这些异步信息时出现的任何异常( exception )都由
For example , you could make a dialog box appear for the user to configure the background process represented by the icon 例如，可以为用户显示一个对话框，以便配置由图标表示的后台处理。
If you want to perform a rolling upgrade of a cluster that has a print spooler resource , you must consider two issues 如果想对包含打印后台处理程序的群集执行滚动升级，那么必须考虑两个问题。
