IWSDServiceProxyEventing::SubscribeToMultipleOperations method (wsdclient.h)
Subscribes to a collection of notifications or solicit/response events.
HRESULT SubscribeToMultipleOperations( [in] const WSD_OPERATION *pOperations, [in] DWORD dwOperationCount, [in] IUnknown *pUnknown, [in] const WSD_EVENTING_EXPIRES *pExpires, [in] const WSDXML_ELEMENT *pAny, [out] WSD_EVENTING_EXPIRES **ppExpires, [out] WSDXML_ELEMENT **ppAny );
Pointer to an array of references to WSD_OPERATION structures that specify the operations of whiCh to subscribe.
The number of elements in the array in pOperations.
Anonymous data passed to a client eventing callback function. This data is used to associate a client object with the subscription.
Pointer to a WSD_EVENTING_EXPIRES structure that specifies requested duration for the subscription.
Pointer to extensible data to be added to the body of the request. This parameter is optional.
Extensible data that the remote device can add to the subscription response. This allows services to provide additional customization of event subscriptions. When done, call WSDFreeLinkedMemory to free the memory. For details, see WSDXML_ELEMENT. This parameter is optional.
Possible return values include, but are not limited to, the following:
||Method completed successfully.|
||The proxy has already subscribed to the operation specified by pOperation.|
||Insufficient memory to complete the operation.|
||The method failed.|
This method is designed to be exclusively called by generated proxy code.
The method is synchronous and will return when the requests have completed or the expiration criteria have been satisfied.
|Minimum supported client||Windows 7 [desktop apps only]|
|Minimum supported server||Windows Server 2008 R2 [desktop apps only]|
|Header||wsdclient.h (include Wsdapi.h)|