OPCHDA.NET-UA
DeleteAtTime(Int32[],DateTime[],Int32[]) Method
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OpcHDaNetUaOption.Net4 Assembly > hdaUAwrapper Namespace > HDAServer Class > DeleteAtTime Method : DeleteAtTime(Int32[],DateTime[],Int32[]) Method

server
The list of server item handles for the items to be deleted.
timeStamps
The timestamps for the data to be deleted.
errors
OUT: Array of HRESULTs indicating the success of the individual item deletes. The errors correspond to the timestamps passed in server.

Glossary Item Box

This synchronous function deletes the values and qualities in the history database for the specified timestamps for one or more items.

This function is intended to be used to delete specific data from the history database; e.g., lab data that is incorrect and cannot be correctly reproduced.

Syntax

Visual Basic (Declaration) 
Public Overloads Function DeleteAtTime( _
   ByVal server() As Integer, _
   ByVal timeStamps() As Date, _
   ByRef errors As Integer() _
) As Integer
C# 
public int DeleteAtTime( 
   int[] server,
   DateTime[] timeStamps,
   out int[] errors
)

Parameters

server
The list of server item handles for the items to be deleted.
timeStamps
The timestamps for the data to be deleted.
errors
OUT: Array of HRESULTs indicating the success of the individual item deletes. The errors correspond to the timestamps passed in server.

Return Value

S_OK, S_FALSE, E_NOTIMPL, E_FAIL

Requirements

Target Platforms: Windows 7/8/10, Windows Server 2008/2012/2016, .NET 4.x

See Also

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