IWSDAsyncResult::SetCallback method (wsdclient.h)

Specifies a callback interface to call when the asynchronous operation has completed.

Syntax

HRESULT SetCallback(
  [in] IWSDAsyncCallback *pCallback,
  [in] IUnknown          *pAsyncState
);

[in] pCallback

Pointer to a IWSDAsyncCallback object that contains the callback implemented by the user.

[in] pAsyncState

User-defined state information to pass to the callback.

This method can return one of these values.

Possible return values include, but are not limited to, the following.

Return code	Description
S_OK	Method completed successfully.
E_INVALIDARG	pCallback is NULL.

The IWSDAsyncCallback::AsyncOperationComplete method is passed the result object associated with the completing message and the state.

pCallback is released when the IWSDAsyncResult object is destroyed.

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