Creates a new linear array from a set of elements. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
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Parameters
- aDoc
-  Type:  Autodesk.Revit.DB Document  
 The document.
- dBView
-  Type:  Autodesk.Revit.DB View  
 The view. If it is a 2d view, translation vector must be in the view plane if elements include view-specific elements. If elements include view-specific elements, they must belong to this view.
- ids
-  Type:  System.Collections.Generic ICollection   ElementId  
 The elements to array.
- count
-  Type:  System Int32  
 The number of array members to create including the initial element grouping. Must between 2 and 200.
- translationToAnchorMember
-  Type:  Autodesk.Revit.DB XYZ  
 The translation vector for the array.
- anchorMember
-  Type:  Autodesk.Revit.DB ArrayAnchorMember  
 Indicates if the translation vector specifies the location of the second member of the array, or the last member of the array.
Return Value
The ids of the elements created during the operation.Remarks
 The resulting elements will not be associated with an array element. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | The given element id set is empty. -or- One or more elements in ids do not exist in the document. -or- One or more elements in ids is owned by different views and thus cannot be arrayed together. -or- One or more elements in ids is not arrayable. -or- count must be between 2 and 200. -or- The view is invalid for specific view elements array. -or- The translation point vector is invalid to array the element. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions ArgumentOutOfRangeException | A value passed for an enumeration argument is not a member of that enumeration | 
| Autodesk.Revit.Exceptions InvalidOperationException | Failed to create the linear array. |