Namespace: Opc.UaFx.Server
Assemblies: Opc.UaFx.Advanced.dll, Opc.UaFx.Advanced.dll
The OpcNodeHistorian type exposes the following members.
C#
public OpcNodeHistorian(OpcNodeManager owner, OpcVariableNode node)
Parameters
owner
OpcNodeManager
node
OpcVariableNode
Exceptions
C#
public OpcNodeHistorian(OpcNodeManager owner, OpcVariableNode node, int capacity)
Parameters
owner
OpcNodeManager
node
OpcVariableNode
capacity
Int32
Exceptions
C#
public OpcNodeHistorian(OpcNodeManager owner, OpcVariableNode node, int capacity, int modifiedCapacity)
Parameters
owner
OpcNodeManager
node
OpcVariableNode
capacity
Int32
modifiedCapacity
Int32
Exceptions
C#
public OpcNodeHistory<OpcHistoryValue> History { get; }
Property Value
C#
public OpcNodeHistory<OpcModifiedHistoryValue> ModifiedHistory { get; }
Property Value
C#
public OpcStatusCollection CreateHistory(OpcContext context, OpcHistoryModificationInfo modificationInfo, OpcValueCollection values)
Parameters
context
OpcContext
modificationInfo
OpcHistoryModificationInfo
values
OpcValueCollection
Returns
Exceptions
C#
public OpcStatusCollection DeleteHistory(OpcContext context, OpcHistoryModificationInfo modificationInfo, IEnumerable<DateTime> times)
Parameters
context
OpcContext
modificationInfo
OpcHistoryModificationInfo
times
IEnumerable<DateTime>
Returns
Exceptions
C#
public OpcStatusCollection DeleteHistory(OpcContext context, OpcHistoryModificationInfo modificationInfo, DateTime? startTime, DateTime? endTime, OpcDeleteHistoryOptions options)
Parameters
context
OpcContext
modificationInfo
OpcHistoryModificationInfo
options
OpcDeleteHistoryOptions
Returns
Exceptions
C#
public OpcStatusCollection DeleteHistory(OpcContext context, OpcHistoryModificationInfo modificationInfo, OpcValueCollection values)
Parameters
context
OpcContext
modificationInfo
OpcHistoryModificationInfo
values
OpcValueCollection
Returns
Exceptions
C#
public IEnumerable<OpcHistoryValue> ReadHistory(OpcContext context, DateTime? startTime, DateTime? endTime, OpcReadHistoryOptions options)
Parameters
context
OpcContext
options
OpcReadHistoryOptions
Returns
C#
public OpcStatusCollection ReplaceHistory(OpcContext context, OpcHistoryModificationInfo modificationInfo, OpcValueCollection values)
Parameters
context
OpcContext
modificationInfo
OpcHistoryModificationInfo
values
OpcValueCollection
Returns
Exceptions
C#
public OpcStatusCollection UpdateHistory(OpcContext context, OpcHistoryModificationInfo modificationInfo, OpcValueCollection values)
Parameters
context
OpcContext
modificationInfo
OpcHistoryModificationInfo
values
OpcValueCollection
Returns
Exceptions