IUPnPDeviceFinderCallback::DeviceAdded method (upnp.h)
The DeviceAdded method is invoked by the UPnP framework to notify the application that a device has been added to the network.
Syntax
HRESULT DeviceAdded(
[in] LONG lFindData,
[in] IUPnPDevice *pDevice
);
Parameters
[in] lFindData
Specifies the search for which the UPnP framework is returning results. The value of lFindData is the value returned to the caller by IUPnPDeviceFinder::CreateAsyncFind.
[in] pDevice
Reference to a IUPnPDevice object that contains the new device.
Return value
The UPnP framework does not expect the application to return any specific value; any value returned is ignored by the UPnP framework.
Remarks
The UPnP framework might call the IUPnPDeviceFinderAddCallbackWithInterface::DeviceAddedWithInterface method instead of DeviceAdded to notify the application when a device is added to the network. The UPnP framework will query to see if the IUPnPDeviceFinderAddCallbackWithInterface interface exists. If so, the UPnP framework will call DeviceAddedWithInterface. Otherwise, the UPnP framework will call DeviceAdded.
The UPnP framework might return two or more callbacks for the same device. This can happen if a device's IP address was changed without first removing the device, and then re-adding it to the network. If this occurs, an application should discard the old device and use the most recently returned one. An application checks for duplicate devices by comparing the UDNs.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | upnp.h |
| DLL | Upnp.dll |