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Provides access to members that control a collection of objects that act as barriers to label placement.
| Name | Description | |
|---|---|---|
|  | Add | Adds the specified item to the collection. | 
|  | Clear | Removes all the items in the collection. | 
|  | Count | The number of items in the collection. | 
|  | QueryItem | Returns the item in the collection at the specified index. | 
| Classes | Description | 
|---|---|
| BarrierCollection | A collection of objects that act as barriers to label placement. |