IWMProximityDetection interface

[IWMProximityDetection is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. Instead, use Microsoft PlayReady. ]

The IWMProximityDetection interface validates a playback device for receiving media data. The validation process confirms that the device is "near" enough on the network to receive media through the Windows Media DRM 10 for Network Devices protocol.

An IWMProximityDetection interface exists for every device registration object. You can obtain a pointer to this interface by calling the QueryInterface method of the IWMDeviceRegistration interface.

Members

The IWMProximityDetection interface inherits from the IUnknown interface. IWMProximityDetection also has these types of members:

Methods

The IWMProximityDetection interface has these methods.

MethodDescription
StartDetection

Initiates proximity detection.

 

Remarks

The validation state is stored in the device registration database. You can check the validation state for a device by calling IWMRegisteredDevice::IsValid.

Validation expires after 48 hours.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

See also

Interfaces

 

 

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