The extension length of the rail termination at the beginning or bottom.

Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2013

Syntax

C#
`public double StartOrBottomExtensionLength { get; set; }`

Visual Basic
`Public Property StartOrBottomExtensionLength As Double Get Set`

Visual C++
`public: property double StartOrBottomExtensionLength { double get (); void set (double value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentOutOfRangeException	When setting this property: The given value for startExtensionLength must be between 0 and 30000 feet.