IDataSourceDriver.UpdateRequest (METH)

METHOD UpdateRequest : UDINT

This method will be called after a request has been sent to check, whether an answer has arrived. As long as the driver is waiting for a reply, it can return ERR_FAILED. If there was a successful reply it may return ERR_OK, else an Error code describing the error. When ERR_DS_UNKNOWN_TRANSACTION is returned, the server assumes that the transaction is finished and will send new requests.

InOut:

Scope	Name	Type
Return	UpdateRequest	UDINT
Input	pItems	POINTER TO ARRAY [0..100] OF IDataItem
	iItemCount	UDINT
	dwListId	DWORD
	dwTransactionId	DWORD