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||This class represents an audio or a video device that is installed on the system.
||The results of a device list query to the system. This class contains all of the added and removed devices since the last time QueryForDeviceChanges was called.
||Class to look for devices.
||Specifies the category of this device. Most devices are capture devices, however some, like external speakers, are playback devices.
||An enumeration of device types that can be queried for.
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