Creates an empty array that can store geometric curves. 
   Namespace:   Autodesk.Revit.Creation  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
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Return Value
An empty array that can hold geometric curves.Remarks
 This method can be used to create an array that can hold any curve type object. This array can be then passed to methods, such as NewAreaLoad, to represent the geometry for the boundary of the load.