IWSDAsyncResult::SetCallback (Compact 2013)
3/26/2014
This method specifies a callback interface to call when the asynchronous operation has completed.
Syntax
HRESULT SetCallback(
IWSDAsyncCallback* pCallback,
IUnknown* pAsyncState
);
Parameters
- pCallback
[in] Pointer to a IWSDAsyncCallback object that contains the callback implemented by the user.
- pAsyncState
[in] User-defined state information to pass to the callback.
Return Value
The following table shows the possible error code return values.
Error code |
Description |
---|---|
S_OK |
This method completed successfully. |
E_INVALIDARG |
pCallback is NULL. |
Remarks
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.
Requirements
Header |
wsdapi.h |
Library |
wsdapi.lib |