| Name | Description | |
|---|---|---|
 | Add | Overloaded. Add an existing performance counter object to our collection. |
| Clear | Clears the entire collection. |
| Contains | Indicates whether the collection contains the specified performance counter |
| ContainsKey | Overloaded. Determines whether the collection contains an element with the specified key. |
| CopyTo | Copies the entire collection into the provided array, starting at the specified index. |
| IndexOf | Searches for the specified value and returns the zero-based index of the first occurrence |
| Insert | Not Supported. |
| Remove | Remove the specified PerfCounterMetric item. If the PerfCounterMetric isn't in the collection, no exception is thrown. |
| RemoveAt | Removes the item at the specified index. |
| TryGetValue | Overloaded. Retrieve an item from the collection by its key if present. If not present, the default value of the object is returned. |
| WriteSamples | Record a sample of every performance counter in this group |