IWiaMiniDrvTransferCallback::SendMessage method (wiamindr_lh.h)
Periodically called by the WIA mini-driver during a data transfer, to update the WIA application client about the progress and status of the transfer.
For more information about the progress data that is transferred, see WiaTransferParams.
Syntax
HRESULT SendMessage(
[in] LONG lFlags,
[in] WiaTransferParams *pWiaTransferParams
);
Parameters
[in] lFlags
Represents flag bits. This parameter is unused and should always be set to zero (0) by the caller.
[in] pWiaTransferParams
Pointer to a WiaTransferParams object.
Return value
This method returns S_OK when the call is successful. Otherwise it returns an appropriate HRESULT error code.
Remarks
When the current transfer sequence is cancelled, the SendMessage method returns S_FALSE.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 |
| Target Platform | Desktop |
| Header | wiamindr_lh.h |