AFElement.GetParents Method (AFReferenceType, AFSortField, AFSortOrder, Int32, Int32, Int32)
- Last UpdatedNov 18, 2025
- 3 minute read
- PI System
- AF SDK 2024 R2
- Developer
Retrieves a paged collection of AFElement objects that reference this element
using the specified AFReferenceType.
Namespace: OSIsoft.AF.Asset
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182
Syntax
public AFNamedCollectionList<AFElement> GetParents( AFReferenceType refType, AFSortField sortField, AFSortOrder sortOrder, int startIndex, int maxCount, out int totalCount )
Public Function GetParents ( refType As AFReferenceType, sortField As AFSortField, sortOrder As AFSortOrder, startIndex As Integer, maxCount As Integer, <OutAttribute> ByRef totalCount As Integer ) As AFNamedCollectionList(Of AFElement) Dim instance As AFElement Dim refType As AFReferenceType Dim sortField As AFSortField Dim sortOrder As AFSortOrder Dim startIndex As Integer Dim maxCount As Integer Dim totalCount As Integer Dim returnValue As AFNamedCollectionList(Of AFElement) returnValue = instance.GetParents(refType, sortField, sortOrder, startIndex, maxCount, totalCount)
public: AFNamedCollectionList<AFElement^>^ GetParents( AFReferenceType^ refType, AFSortField sortField, AFSortOrder sortOrder, int startIndex, int maxCount, [OutAttribute] int% totalCount )
member GetParents : refType : AFReferenceType * sortField : AFSortField * sortOrder : AFSortOrder * startIndex : int * maxCount : int * totalCount : int byref -> AFNamedCollectionList<AFElement>
Parameters
- refType
- Type: OSIsoft.AF.AssetAFReferenceType
The AFReferenceType used when determining if a returned AFElement references this element. - sortField
- Type: OSIsoft.AFAFSortField
The field or property of the object used to sort the returned collection. This value should not be changed between calls when attempting to get the next page of items. - sortOrder
- Type: OSIsoft.AFAFSortOrder
The order that the returned collection is sorted. This value should not be changed between calls when attempting to get the next page of items. - startIndex
- Type: SystemInt32
The starting index (zero based) of the items to be returned. - maxCount
- Type: SystemInt32
The maximum number of objects to be returned per call (the page size). - totalCount
- Type: SystemInt32
The total number of objects that match the search criteria.
Return Value
Type: AFNamedCollectionListAFElementReturns a collection containing the specified page of AFElement objects which reference this element using the specified AFReferenceType.
Remarks
If a QueryDate is defined for the current element, then that query date will be used
to determine the collection of elements that are returned from this method.