PIPointList.UnloadAttributes Method
- Last UpdatedNov 18, 2025
- 2 minute read
- PI System
- AF SDK 2024 R2
- Developer
Namespace: OSIsoft.AF.PI
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182
Syntax
public void UnloadAttributes( params string[] names )
Public Sub UnloadAttributes ( ParamArray names As String() ) Dim instance As PIPointList Dim names As String() instance.UnloadAttributes(names)
public: void UnloadAttributes( ... array<String^>^ names )
member UnloadAttributes : names : string[] -> unit
Parameters
- names
- Type: SystemString
The list of PIPoint attribute names to be unloaded loaded. The PICommonPointAttributes class contains some of the common PIPoint attribute names.
Remarks
The PIPoint attributes for the specified list of names are unloaded
from the client's cache.
This method is used to free memory when PIPoint attributes are
no longer needed, but the PIPoint is still being used.