uaPLUS Reference
ValueChanged Method
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Opc.Ua.Server Namespace > MonitoredItem Class : ValueChanged Method

value
error
lastValue
lastError
filter
range

Glossary Item Box

Syntax

Visual Basic (Declaration) 
Public Shared Function ValueChanged( _
   ByVal value As DataValue, _
   ByVal error As ServiceResult, _
   ByVal lastValue As DataValue, _
   ByVal lastError As ServiceResult, _
   ByVal filter As DataChangeFilter, _
   ByVal range As Double _
) As Boolean
C# 
public static bool ValueChanged( 
   DataValue value,
   ServiceResult error,
   DataValue lastValue,
   ServiceResult lastError,
   DataChangeFilter filter,
   double range
)

Parameters

value
error
lastValue
lastError
filter
range

Requirements

Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family

See Also

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