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.
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PKEY_SSDP_AltLocationInfo
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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.
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PKEY_SSDP_DevLifeTime
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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.
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PKEY_SSDP_NetworkInterface
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The GUID of the network interface upon which the device was discovered. PROPVARIANT type VT_LPWSTR.
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Requirements
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
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