Creates a slab within the project with the given horizontal profile using the default floor style. 
   Namespace:   Autodesk.Revit.Creation  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
Syntax
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| Visual Basic | 
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| Visual C++ | 
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Parameters
- profile
 -  Type:  Autodesk.Revit.DB CurveArray  
An array of planar lines and arcs that represent the horizontal profile of the slab. 
- level
 -  Type:  Autodesk.Revit.DB Level  
The level on which the slab is to be placed. 
- slopedArrow
 -  Type:  Autodesk.Revit.DB Line  
A line use to control the sloped angle of the slab. It should be in the same face with profile. 
- slope
 -  Type:  System Double  
The slope. 
- isStructural
 -  Type:  System Boolean  
If set, specifies that the floor is structural in nature. 
Return Value
If successful a new floor object within the project, otherwise a null reference ( Nothing in Visual Basic) .Remarks
 The curves of the profile must be contiguous and the Face formed by profile should be suitable to create slab. 
 Exceptions
| Exception | Condition | 
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| Autodesk.Revit.Exceptions ArgumentException | Thrown if the level does not exist in the given document. |