Namespace: Autodesk.Revit.DB.Mechanical Class: FlexDuct

FlexDuct.StartTangent

Property

Description:
Gets or sets the tangent vector at the start of the curve. The invalid or zero vector is ignored when setting the tangent.

Syntax

public XYZ StartTangent { get; set; }

Public Property StartTangent As XYZ
	Get
	Set

public:
property XYZ^ StartTangent {
	XYZ^ get ();
	void set (XYZ^ value);
}

member StartTangent : XYZ with get, set

Exceptions

Exception	Condition
ArgumentNullException	When setting this property: A non-optional argument was null