IWSDEndpointProxy::SendTwoWayRequestAsync (Compact 2013)

3/26/2014

This method sends a two-way request message using an asynchronous call pattern.

Syntax

HRESULT SendTwoWayRequestAsync(
  const void* pBody,
  const WSD_OPERATION* pOperation,
  IUnknown* pAsyncState,
  IWSDAsyncCallback* pCallback,
  IWSDAsyncResult** pResult
);

Parameters

• pBody
  [in] The body of the message.

• pOperation
  [in] Reference to a WSD_OPERATION structure that specifies the operation to perform.

• pAsyncState
  [in] Anonymous data passed to pCallback when the operation has completed. This data is used to associate a client object with the pending operation. This parameter may be optional.

• pCallback
  [in] Reference to an IWSDAsyncCallback object which performs the message status callback notification. This parameter may be optional.

• pResult
  [out] Reference to an IWSDAsyncResult object that specifies the results of the operation.

Return Value

The following table shows the possible error code return values.

Remarks

This method is normally only called by generated proxy code.

Requirements

See Also

Reference

IWSDEndpointProxy
Web Services on Devices Interfaces