Defines a sheet cylinder primitive.
            
Declaration Syntax
public interface ISheetCylinder
Table 133:  Members
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                 Property 
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                Center
               | 
                 
            Gets or sets the center of the cylinder.
             
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                 Property 
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                Direction
               | 
                 
            Gets or sets the axis of the cylinder.
             
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| 
                 Property 
               | 
                Radius
               | 
                 
            Gets or sets the radius of the cylinder.
             
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