Build 1.01.318.0

[This is preliminary documentation and is subject to change.]

Used to receive notifications when the value attribute is read or written.

Namespace: Opc.Ua
Assembly: Opc.Ua.Core (in Opc.Ua.Core.dll) Version: 1.1.318.1 (1.01.318.1)

Syntax

C#
public delegate ServiceResult NodeValueEventHandler(
	ISystemContext context,
	NodeState node,
	NumericRange indexRange,
	QualifiedName dataEncoding,
	ref Object value,
	ref StatusCode statusCode,
	ref DateTime timestamp
)
Visual Basic
Public Delegate Function NodeValueEventHandler ( _
	context As ISystemContext, _
	node As NodeState, _
	indexRange As NumericRange, _
	dataEncoding As QualifiedName, _
	ByRef value As Object, _
	ByRef statusCode As StatusCode, _
	ByRef timestamp As DateTime _
) As ServiceResult
Visual C++
public delegate ServiceResult^ NodeValueEventHandler(
	ISystemContext^ context, 
	NodeState^ node, 
	NumericRange indexRange, 
	QualifiedName^ dataEncoding, 
	Object^% value, 
	StatusCode% statusCode, 
	DateTime% timestamp
)

Parameters

context
Type: Opc.Ua..::..ISystemContext
node
Type: Opc.Ua..::..NodeState
indexRange
Type: Opc.Ua..::..NumericRange
dataEncoding
Type: Opc.Ua..::..QualifiedName
value
Type: System..::..Object%
statusCode
Type: Opc.Ua..::..StatusCode%
timestamp
Type: System..::..DateTime%

See Also