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PRINTER DRIVER AND APPLICATION DECOUPLING USING EVENT CENTRIC REGISTRATION MODEL
PRINTER DRIVER AND APPLICATION DECOUPLING USING EVENT CENTRIC REGISTRATION MODEL
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机译:基于事件中心注册模型的打印机驱动程序和应用程序解耦
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摘要
Some embodiments of the invention provide a printer user interface (UI) component configured to handle presentation of information to a user during printing operations. The printer UI component may de-couple the rendering and configuration functionality provided by a printer driver from the presentation of information to end users, thereby reducing the risk that applications may crash or hang due to printer driver malfunction. In some embodiments, a registry of events upon which information should be presented to the user is established, and the printer UI component may be registered for some or all of these events, so that when the specified events occur the printer UI component may be invoked to cause information to be presented to the user.
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