Creates a FabricArea from an array of curves. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2015 
Syntax
| C# | 
|---|
|  | 
| Visual Basic | 
|---|
|  | 
| Visual C++ | 
|---|
|  | 
Parameters
- aDoc
-  Type:  Autodesk.Revit.DB Document  
 The document.
- hostElement
-  Type:  Autodesk.Revit.DB Element  
 The element that will host the FabricArea. The host can be a Structural Floor, Structural Wall, Structural Slab, or a Part created from a structural layer belonging to one of those element types.
- curveLoops
-  Type:  System.Collections.Generic IList   CurveLoop  
 An array of curves that will define the outline of the FabricArea. This includes curves defining openings in the interior of the area.
- majorDirection
-  Type:  Autodesk.Revit.DB XYZ  
 A vector to define the major direction of the FabricArea.
- majorDirectionOrigin
-  Type:  Autodesk.Revit.DB XYZ  
 An origin point of the major direction line
- fabricAreaTypeId
-  Type:  Autodesk.Revit.DB ElementId  
 The id of the FabricAreaType.
- fabricSheetTypeId
-  Type:  Autodesk.Revit.DB ElementId  
 The id of the FabricSheetType.
Return Value
The newly created FabricArea.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | Not all curveLoops in curveLoops are closed and continuous. -or- Not all curveLoops in curveLoops are in the same plane. -or- curveLoops should only contain lines or arcs. -or- The element hostElement was not found in the given document. -or- the host Element is not a valid host for Area Reinforcement, Path Reinforcement, Fabric Area or Fabric Sheet. -or- fabricAreaTypeId should refer to an FabricAreaType element. -or- fabricSheetTypeId should refer to an FabricSheetType element. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions ArgumentOutOfRangeException | majorDirection has zero length. | 
| Autodesk.Revit.Exceptions DisabledDisciplineException | None of the following disciplines is enabled: Structural. |