get_collection
Description:
Warning: get_collection is deprecated since 2.10.
Gets the Collection interface for an Accessible.
Note: 
      
        
    
    Use atspi_accessible_get_collection_iface instead.
Parameters:
| this | a pointer to the Accessible instance to query. | 
Returns:
| a pointer to an Collection interface instance, or NULL if this does not implement Collection. |