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AF SDK Reference

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OSIsoft.AF.EventFrame Namespace

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  • Last UpdatedNov 18, 2025
  • 2 minute read
OSIsoft.AF.EventFrame Namespace
The OSIsoft.AF.EventFrame namespace provides a set of classes for creating objects that have a starting and ending time.

Classes

  ClassDescription
Public classCode example
AFEventFrame
The AFEventFrame is a class representing objects that frame an event with a StartTime and EndTime.
Public classCode example
AFEventFrames
The collection of AFEventFrame objects.
Public classCode example
AFTransfer
The AFTransfer object represents the transfer of material over a specified period of time between two elements.

Structures

  StructureDescription
Public structure
AFDurationQuery
Event frame duration query structure.

Enumerations

  EnumerationDescription
Public enumeration
AFEventFrameSearchMode
The event frame search mode is an enumeration of the possible values for specifying the search criteria for event frames from a time.
Public enumeration
AFSeverity
The event frame severity can be used to designate the importance of an event.
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