你好,
App.xaml是不可以被改名的,这个是程序的一个入口,不可以修改。另外,你这个错误在我刚开始玩Store App的时候也有遇到,一个解决方案里面是不可以有两个类型为“商店应用程序” 且互相引用的商店应用项目。

--James
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Thanks
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