Visual Basic (Declaration) | |
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Function AdviseProcessed( _ ByVal transactionID As Integer, _ ByVal startTime As Date, _ ByVal interval As TimeSpan, _ ByVal serverHandles() As Integer, _ ByVal aggregates() As Integer, _ ByVal numIntervals As Integer, _ ByRef cancelID As Integer, _ ByRef errors As Integer() _ ) As Integer |
C# | |
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int AdviseProcessed( int transactionID, DateTime startTime, TimeSpan interval, int[] serverHandles, int[] aggregates, int numIntervals, out int cancelID, out int[] errors ) |
Parameters
- transactionID
- An identifier created by the client and passed to the server in this call. The server shall return this identifier along with the results of this call.
- startTime
- The beginning of the history period to be read.
- interval
- Interval between returned values.
- serverHandles
- The list server item handles for the items to be read.
- aggregates
- The list of aggregate values to be returned.
- numIntervals
- Number of resample intervals between updates.
- cancelID
- Place to return a Server generated ID to be used in case the operation needs to be canceled.
- errors
- Array of HRESULTs indicating whether the corresponding server handle was valid.
Return Value
HRESULTS success/error code.The requests are stored and handled by the advise handling thread until the
request is cancelled.
The sample implementation has one such thread. To improve performance it may be
necessary in some servers to have multiple advise handling threads.
Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family