|  Area  | 
 Checks whether the line from the desired layer at the specified position is included or not. 
 Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax  Parameters
- layer AreaReinforcementLayerType
- The layer on which the line stays.
- linePositionIndex Int32
- The index of the line from the desired layer. It should be an index between 0 and (NumberOfLines-1).
Return Value
BooleanReturns true if the line from the desired layer at the specified position is included, false otherwise.
 Exceptions
 Exceptions  | Exception | Condition | 
|---|---|
| ArgumentOutOfRangeException | linePositionIndex is not in the range [ 0, NumberOfLines-1 ]. -or- A value passed for an enumeration argument is not a member of that enumeration | 
| InapplicableDataException | The layer layer isn't active. | 
| InvalidOperationException | This AreaReinforcement does not host Rebar. | 
 See Also
 See Also