P

StairsPathType.StartExtension

Description:
The start extension length of the stairs path.

public double StartExtension { get; set; }

Public Property StartExtension As Double
Get
Set

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

Autodesk.Revit.Exceptions.ArgumentOutOfRangeException

When setting this property: The given value for startExtension must be between 0 and 30000 feet.