| 摘要 |
Instant messaging communications are controlled using themes. A theme is a definition of properties and features of a specific instance of an instant messaging communications environment. Themes are stored at a server computer and may be requested by users of a client computer. Themes may be made available to users based on enterprise policies established by the owner of the server computer. Once downloaded to the client computer, a theme may be personalized by the user of the client computer provided personalization is consistent with the enterprise policy. Inheritance techniques may be used to provide personalized themes that remain consistent with enterprise policy while extending functions not defined in the enterprise policy. A user may select different themes manually. Alternatively, theme selection may be automated based on system detection of events such as time of day, user location, availability of network connections and the like. Changes in a downloaded theme may be returned to and stored by the server for future use by the user of the client computer.
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