| 摘要 |
A system is described that is specifically adapted for use in a resource-constrained set-top box environment. The system uses an interpreter-based common language runtime (CLR) that is specifically configured for use in the set-top box environment. The system also includes a unique application manager and UIpane manager that are specifically configured for use in the set-top box environment. The application manager pauses a current application when another application presents a user interface presentation which interferes with the current application's user interface presentation. In addition, the system includes graphics functionality for providing transitions effects, for allowing a user to change color palette and resolution, and so forth. The graphics functionality directly uses the graphics capabilities of the set top box (such as the set top box's line control register) whenever possible to enable applications to execute more quickly.
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