| Count | Represents a generic collection of key/value pairs. |
| IsReadOnly | Gets a value indicating whether the ICollectionT is read-only. |
| Item | Represents a generic collection of key/value pairs. |
| Keys | Gets an ICollectionT containing the keys of the IDictionaryTKey, TValue. |
| Values | Gets an ICollectionT containing the values in the IDictionaryTKey, TValue. |