AF SDK Reference

PIPointList.InterpolatedValue Method

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PIPointList.InterpolatedValue Method

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Last UpdatedNov 18, 2025
2 minute read

Returns an AFListResultsTKey, TResult object containing list of AFValue objects representing the interpolated values for the PIPoint objects in the list for the requested time. The order of the AFValue objects in the results list is the same order as the corresponding PIPoint in the PIPointList. Point level error and PIServer level error can be accessed in the AFListResultsTKey, TResult

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

Syntax

public AFListResults<PIPoint, AFValue> InterpolatedValue(
	AFTime requestedTime
)

Public Function InterpolatedValue ( 
	requestedTime As AFTime
) As AFListResults(Of PIPoint, AFValue)

Dim instance As PIPointList
Dim requestedTime As AFTime
Dim returnValue As AFListResults(Of PIPoint, AFValue)

returnValue = instance.InterpolatedValue(requestedTime)

public:
AFListResults<PIPoint^, AFValue^>^ InterpolatedValue(
	AFTime requestedTime
)

member InterpolatedValue : 
        requestedTime : AFTime -> AFListResults<PIPoint, AFValue>

Parameters

requestedTime: Type: OSIsoft.AF.TimeAFTime
The time at which the value is desired.

Return Value

Type: AFListResultsPIPoint, AFValue
A list of AFValue objects representing the interpolated values for the PIPoint objects in the list. The results are returned as an AFListResultsTKey, TResult object. If any point level or server level errors occur, they added to the corresponding error collections in the AFListResultsTKey, TResult

AF SDK Reference