IDataSourceDriver.UpdateRequest (METH)ΒΆ

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