Hi,edmundzhang
你只能在Package.appxmainfest的Capabilities页面禁用和声明摄像头、麦克风以及其他设备的功能，具体您可以参考以下链接：
http://msdn.microsoft.com/zh-cn/library/windows/apps/hh768221.aspx
祝您好运！
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Thanks
MSDN Community Support
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