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Line Lable Placement Description coclass.
| Interfaces | Description | 
|---|---|
| IDocumentVersionSupportGEN (esriSystem) | Provides access to extend the IObjectStream interface with methods to hande saving objects that did not exist in previous versions of the software. | 
| ILabelPlacementDescription | Provides access to the Label Placement Description Interface. | 
| ILineLabelPlacementDescription | Provides access to the Line Label Placement Description Interface. | 
| IPersistStream (esriSystem) | |
| IXMLSerialize (esriSystem) | Provides access to members that XML serialize and deserialize an object to/from XML. | 
| IXMLVersionSupport (esriSystem) | Provides access to members that help in serializing an object to different namespaces (versions). |