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Reference

OpcReadVariableValueCallback Delegate

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

Reference

OpcReadVariableValueCallback<T> 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<T> OpcReadVariableValueCallback<T>(
    OpcReadVariableValueContext context,
    OpcVariableValue<T> value)
vbnet
Public Delegate Function OpcReadVariableValueCallback(Of T)(
    context As OpcReadVariableValueContext,
    value As OpcVariableValue(Of T)) As OpcVariableValue(Of T)

Type parameters ​

NameDescription
TThe type of variable value to read.

Parameters ​

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

Returns ​

OpcVariableValue<T>

The determined OpcVariableValue<T>.

Applies to ​

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