我正在调用UIManager.getSystemLookAndFeelClassName().即使将当前主题设置为WindowsClassicLookAndFeel,也可以获得WindowsLookAndFeel的结果.但我期待WindowsClassicLookAndFeel.问题是如何检测Windows经典主题现在是否处于活动状态
java swing look-and-feel
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