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DuctLiningType.Roughness

Description:
The roughness of Duct Lining.

public double Roughness { get; set; }

Public Property Roughness As Double
Get
Set

public:
property double Roughness {
	double get ();
	void set (double value);
}

Autodesk.Revit.Exceptions.ArgumentOutOfRangeException

When setting this property: The roughness value should be at least equal to or larger than 0.
Autodesk.Revit.Exceptions.DisabledDisciplineException

When setting this property: None of the following disciplines is enabled: Mechanical Electrical Piping.