| Overload | Description |
|---|---|
| Item(PerformanceCounter) | Retrieve performance counter metric packet object by the performance counter object it represents. If the item is not already in the collection, it will be added. |
| Item(Int32) | Retrieve the custom sampled metric by its zero-based index in collection. |
| Item(Guid) | Retrieve custom sampled metric object by its Id |
| Item(String) | Retrieve custom sampled metric object by its name |