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ViewShapeBuilder.ViewNormal

Property
Description:
Normal of the view that will display the shape being built. Must be set explicitly before adding any geometry. Must be a unit vector. This is used to validate incoming geometry - it must be orthogonal to the viewNormal.
Syntax
public XYZ ViewNormal { get; set; }
Exceptions
Exception Condition
ArgumentNullException When setting this property: A non-optional argument was null
ArgumentOutOfRangeException When setting this property: viewNormal is not length 1.0.