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Reference

OpcReadVariableValueCallback Delegate

Represents the method that will read the value of a variable node.

Reference

OpcReadVariableValueCallback Delegate ​

Namespace
Opc.UaFx
Assembly
Opc.UaFx.Advanced.dll
Package
Opc.UaFx.Advanced v2.59.0

Represents the method that will read the value of a variable node.

Syntax ​

csharp
public delegate OpcVariableValue<object> OpcReadVariableValueCallback(
    OpcReadVariableValueContext context,
    OpcVariableValue<object> value)
vbnet
Public Delegate Function OpcReadVariableValueCallback(
    context As OpcReadVariableValueContext,
    value As OpcVariableValue(Of Object)) As OpcVariableValue(Of Object)

Parameters ​

NameTypeDescription
contextOpcReadVariableValueContextThe OpcReadVariableValueContext to use to read the variable value.
valueOpcVariableValue<Object>The preliminary OpcVariableValue<T>.

Returns ​

OpcVariableValue<Object>

The determined OpcVariableValue<T>.

Applies to ​

PackageVersions
Opc.UaFx.Advancedv2.5–v2.59