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AF SDK Reference

AFElementTemplates Class

  • Last UpdatedNov 18, 2025
  • 8 minute read
AFElementTemplates Class
The collection of AFElementTemplate objects.

Inheritance Hierarchy

SystemObject
  OSIsoft.AFAFCollection
    OSIsoft.AFAFCollectionAFElementTemplate
      OSIsoft.AFAFNamedCollectionAFElementTemplate
        OSIsoft.AF.AssetAFElementTemplates

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

Syntax

public sealed class AFElementTemplates : AFNamedCollection<AFElementTemplate>
Public NotInheritable Class AFElementTemplates
	Inherits AFNamedCollection(Of AFElementTemplate)

Dim instance As AFElementTemplates
public ref class AFElementTemplates sealed : public AFNamedCollection<AFElementTemplate^>
[<SealedAttribute>]
type AFElementTemplates =  
    class
        inherit AFNamedCollection<AFElementTemplate>
    end

The AFElementTemplates type exposes the following members.

Properties

  NameDescription
Public property
Count
Gets the number of items actually contained in the collection.
(Inherited from AFCollectionT.)
Public property
Database
This read-only property returns the AFDatabase where this object is defined.
Public property
Identity
This read-only property contains identity of the object.
(Inherited from AFCollection.)
Public property
IsDeleted
This read-only property indicates whether the owner of the collection has been deleted.
(Inherited from AFCollection.)
Public property
ItemGuid
Returns the item in the collection associated with the passed in ID.
(Inherited from AFCollectionT.)
Public property
ItemInt32
Returns the item located at the passed in index.
(Inherited from AFCollectionT.)
Public property
ItemString
Returns the specified object from the collection by name.
(Inherited from AFNamedCollectionT.)
Public property
ItemIdentity
This read-only property specifies the identity of the objects within the collection.
(Inherited from AFCollection.)
Public property
PISystem
This read-only property allows access to the PISystem associated with this collection.
(Inherited from AFCollection.)

Methods

  NameDescription
Public method
Add(T)
Adds an object to the end of the collection.
(Inherited from AFCollectionT.)
Public method
Add(String)
The Add method creates a new object and adds it to the collection.
Public method
Clear
Removes all items from the collection.
(Inherited from AFCollectionT.)
Public method
Contains(Guid)
This method determines whether the collection contains a specific item referenced by id.
(Inherited from AFCollectionT.)
Public method
Contains(T)
This method determines whether the collection contains a specific item.
(Inherited from AFCollectionT.)
Public method
Contains(String)
This method determines whether the collection contains a specific item referenced by name.
(Inherited from AFNamedCollectionT.)
Public method
CopyTo
Copies the entire collection to a compatible one-dimensional Array, starting at the specified index of the target array.
(Inherited from AFCollectionT.)
Public method
Equals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Public method
GetEnumerator
Returns an enumerator that iterates through the collection.
(Inherited from AFCollectionT.)
Public method
GetHashCode
Gets the hash code for this instance of the object which is suitable for use in hashing algorithms and data structures like a hash table.
(Inherited from AFCollection.)
Public method
GetType
Gets the Type of the current instance.
(Inherited from Object.)
Public method
IndexOf
Searches for the specified object and returns the zero-based index of the first occurrence within the entire collection.
(Inherited from AFCollectionT.)
Public method
Refresh
Refresh the collection to make sure it's list of items is up-to-date.
Public method
Remove(Guid)
Removes the item with the specified id from the collection.
(Inherited from AFCollectionT.)
Public method
Remove(T)
Removes the first occurrence of a specific object from the collection.
(Inherited from AFCollectionT.)
Public method
Remove(String)
The Remove method removes the item from the collection by name.
(Inherited from AFNamedCollectionT.)
Public method
RemoveAt
Removes the item at the specified index of the collection.
(Inherited from AFCollectionT.)
Public method
Sort
Sorts the items in the entire collection using the default comparer.
(Inherited from AFCollectionT.)
Public method
Sort(IComparerT)
Sorts the items in the entire collection using the specified comparer.
(Inherited from AFCollectionT.)
Public method
Sort(Int32, Int32, IComparerT)
Sorts the items in a range of items in the collection using the specified comparer.
(Inherited from AFCollectionT.)
Public method
ToString
Returns a String that represents the current object.
(Inherited from AFCollection.)

Remarks

The global AFElementTemplates collection represents all the defined AFElementTemplate objects on an AFDatabase. Use the Add(String) method to add a template to this collection.

Examples

// This example demonstrates how to create an element template,
// create an element from it, and display its information.

// Get the Database
PISystems myPISystems = new PISystems();
AFDatabase myDB = myPISystems.DefaultPISystem.Databases.DefaultDatabase;

// Create an Element Template
AFElementTemplate myElemTemplate = myDB.ElementTemplates.Add("MyElementTemplate");
myElemTemplate.Description = "Template used to create my elements";

// Create an Element from the Element Template
myDB.Elements.Add("MyElement", myElemTemplate);
myDB.CheckIn();

// Display the name and description of the Element Template
Console.WriteLine("Name of Element Template = {0}", myElemTemplate.Name);
Console.WriteLine("Description = {0}", myElemTemplate.Description);
Console.WriteLine("UniqueID of Element Template = {0}", myElemTemplate.UniqueID);

// Display the name of all Elements created from this Element Template
const int pageSize = 100;
int startIndex = 0;
int totalCount;
do
{
    AFNamedCollectionList<AFBaseElement> list =
        myElemTemplate.FindInstantiatedElements(true, AFSortField.Name,
            AFSortOrder.Ascending, startIndex, pageSize, out totalCount);
    if (list == null) break;
    foreach (AFBaseElement CurElement in list)
    {
        Console.WriteLine("Name of Element created from this template = {0}", CurElement.Name);
    }

    startIndex += pageSize; // Advance to next page.
} while (startIndex < totalCount);
' This example demonstrates how to create an element template,
' create an element from it, and display its information.

' Get the Database
Dim myPISystems As New PISystems
Dim myDB As AFDatabase = myPISystems.DefaultPISystem.Databases.DefaultDatabase

' Create an Element Template
Dim myElemTemplate As AFElementTemplate = myDB.ElementTemplates.Add("MyElementTemplate")
myElemTemplate.Description = "Template used to create my elements"

' Create an Element from the Element Template
myDB.Elements.Add("MyElement", myElemTemplate)
myDB.CheckIn()

' Display the name and description of the Element Template
Console.WriteLine("Name of Element Template = {0}", myElemTemplate.Name)
Console.WriteLine("Description = {0}", myElemTemplate.Description)
Console.WriteLine("UniqueID = {0}", myElemTemplate.UniqueID)

' Display the name of all Elements created from this Element Template
Dim pageSize As Integer = 100
Dim startIndex As Integer = 0
Dim totalCount As Integer
Dim list As AFNamedCollectionList(Of AFBaseElement)
Do
    list = myElemTemplate.FindInstantiatedElements(True, AFSortField.Name, AFSortOrder.Descending,
                                                   startIndex, pageSize, totalCount)
    If (list Is Nothing) Then
        Exit Do
    End If

    Dim CurElement As AFBaseElement
    For Each CurElement In list
        Console.WriteLine("Name of Element created from this template = {0}", CurElement.Name)
    Next CurElement

    startIndex = (startIndex + pageSize)    ' Advance to next page
Loop While (startIndex < totalCount)

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.

Version Information

AFSDK


See Also

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