Create a MultiSegmentGrid element from the specified curve loop. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
Syntax
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Parameters
- document
-  Type:  Autodesk.Revit.DB Document  
 The document in which to create the MultiSegmentGrid.
- typeId
-  Type:  Autodesk.Revit.DB ElementId  
 Element id of a GridType element.
- curveLoop
-  Type:  Autodesk.Revit.DB CurveLoop  
 An open curve loop consisting of lines and arcs.
- sketchPlaneId
-  Type:  Autodesk.Revit.DB ElementId  
 Element id of a SketchPlane for the curves elements that will be created from the curveLoop.
Return Value
The element id of the new MultiSegmentGrid element.Remarks
 For each curve in the curve loop, a corresponding Grid will be created. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | The element id should refer to a valid horizontal SketchPlane. -or- The element id should refer to a GridType element. -or- The curve loop should be an open loop consisting of lines and arcs. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions InvalidOperationException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). | 
| Autodesk.Revit.Exceptions ModificationForbiddenException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document is being loaded, or is in the midst of another sensitive process. | 
| Autodesk.Revit.Exceptions ModificationOutsideTransactionException | The document has no open transaction. |