| Class | Description | |
|---|---|---|
 | ContentChildCollection | |
| CultureInfoHelper | Provides culture methods. |
| ErrorMessageDisplayingEventArgs | Provides data for the ErrorMessageDisplaying event. |
| PolySimplification | Utility class for polygon simpliciation. |
| Interface | Description | |
|---|---|---|
 | IEncoding | Interface used by different types of Encoding. |
| IExternalizable | Indicates an object that can return an externalized version. |