AF SDK Reference

AFDataReference.UsesInternalAFValueAttribute Class

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AFDataReference.UsesInternalAFValueAttribute Class

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Last UpdatedNov 18, 2025
3 minute read

Attribute used on an AFDataReference to indicate that it uses the SetInternalAFValue method for storing values.

Inheritance Hierarchy

SystemObject
SystemAttribute
OSIsoft.AF.AssetAFDataReferenceUsesInternalAFValueAttribute

Namespace: OSIsoft.AF.Asset
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

[AttributeUsageAttribute(AttributeTargets.Class, Inherited = true, AllowMultiple = false)]
public sealed class UsesInternalAFValueAttribute : Attribute

<AttributeUsageAttribute(AttributeTargets.Class, Inherited := true, AllowMultiple := false)>
Public NotInheritable Class UsesInternalAFValueAttribute
	Inherits Attribute

Dim instance As AFDataReference.UsesInternalAFValueAttribute

[AttributeUsageAttribute(AttributeTargets::Class, Inherited = true, AllowMultiple = false)]
public ref class UsesInternalAFValueAttribute sealed : public Attribute

[<SealedAttribute>]
[<AttributeUsageAttribute(AttributeTargets.Class, Inherited = true, AllowMultiple = false)>]
type UsesInternalAFValueAttribute =  
    class
        inherit Attribute
    end

The AFDataReferenceUsesInternalAFValueAttribute type exposes the following members.

Constructors

	Name	Description
	AFDataReferenceUsesInternalAFValueAttribute	Initializes a new instance of the AFDataReferenceUsesInternalAFValueAttribute class.

Properties

	Name	Description
	TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
	Value	Gets a value that indicates whether the AFDataReference uses the SetInternalAFValue method for storing values.

Methods

	Name	Description
	Equals	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
	GetHashCode	Returns the hash code for this instance. (Inherited from Attribute.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	IsDefaultAttribute	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
	Match	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

Remarks

A plugin can be marked with this attribute on the implementation of the AFDataReference to indicate that it uses the the SetInternalAFValue method for storing values.

Version Information

AFSDK

Supported in: 3.1.1, 3.1.0, 3.0.2, 3.0.1, 3.0.0, 2.10.11, 2.10.5, 2.10.0, 2.10, 2.9.5, 2.9, 2.8.5, 2.8, 2.7.5, 2.7, 2.6

AF SDK Reference