AFDataReference.GetAnnotation Method

public virtual Object GetAnnotation(
	AFValue value
)

Public Overridable Function GetAnnotation ( 
	value As AFValue
) As Object

Dim instance As AFDataReference
Dim value As AFValue
Dim returnValue As Object

returnValue = instance.GetAnnotation(value)

public:
virtual Object^ GetAnnotation(
	AFValue^ value
)

abstract GetAnnotation : 
        value : AFValue -> Object 
override GetAnnotation : 
        value : AFValue -> Object 

Parameters

value

Type: OSIsoft.AF.AssetAFValue
A previously returned AFValue for this PIPoint.

Return Value

This method will retrieve the annotation associated with a single historical event. To update an existing annotation, use the SetAnnotation(AFValue, Object) method.

The attribute must indicate that it supports retrieving annotations by including the Annotations flag in its SupportedDataMethods.

AFSDK

Reference