IWSDServiceProxyEventing::BeginSubscribeToMultipleOperations method (wsdclient.h)

Article
10/13/2021

Initializes an asynchronous operation that subscribes to a collection of notifications or solicit/response events.

Syntax

HRESULT BeginSubscribeToMultipleOperations(
  [in]  const WSD_OPERATION        *pOperations,
  [in]  DWORD                      dwOperationCount,
  [in]  IUnknown                   *pUnknown,
  [in]  const WSD_EVENTING_EXPIRES *pExpires,
  [in]  const WSDXML_ELEMENT       *pAny,
  [in]  IUnknown                   *pAsyncState,
  [in]  IWSDAsyncCallback          *pAsyncCallback,
  [out] IWSDAsyncResult            **ppResult
);

Parameters

[in] pOperations

Pointer to an array of references to WSD_OPERATION structures that specify the operations of which to subscribe.

[in] dwOperationCount

The number of elements in the array in pOperations.

[in] pUnknown

Anonymous data passed to a client eventing callback function. This data is used to associate a client object with the subscription.

[in] pExpires

Pointer to a WSD_EVENTING_EXPIRES structure that specifies the requested duration for the subscription.

[in] pAny

Pointer to extensible data to be added to the body of the request. This parameter is optional.

[in] pAsyncState

Anonymous data passed to pAsyncCallback when the callback is called. This data is used to associate a client object with the pending operation. This parameter is optional.

[in] pAsyncCallback

Reference to an IWSDAsyncCallback object that performs the message callback status notifications. This parameter is optional.

[out] ppResult

Pointer to a pointer to an IWSDAsyncResult interface that will represent the result of the requests upon completion.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This method is designed to be exclusively called by generated proxy code.

The method is asynchronous and will return immediately. The caller should subsequently call EndSubscribeToMultipleOperations.

Requirements

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	wsdclient.h (include Wsdapi.h)
DLL	Wsdapi.dll

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