SSDP Provider PKEYs

[Function Discovery is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions.]

SSDP services and devices are quite frequently discovered by the PnP-X Provider. SSDP devices must support many of the PnP-X PKEYs. For more information, see PnP-X Provider PKEYs.

The following keys are associated with the SSDP provider.

PKEY_SSDP_AltLocationInfo

An alternate device location. This value is sent in the AL header of a SSDP packet. The meaning and interpretation of this PKEY may vary by device. PROPVARIANT type VT_LPWSTR.

PKEY_SSDP_DevLifeTime

The number of seconds that the SSDP message is valid. This value is sent in the CACHE_CONTROL header of a SSDP packet. PROPVARIANT type VT_UI4.

PKEY_SSDP_NetworkInterface

The GUID of the network interface upon which the device was discovered. PROPVARIANT type VT_LPWSTR.

Requirements

Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2008 [desktop apps only]
Header
FunctionDiscoveryKeys.h

See also

Key Definitions

SSDP provider