The type of the top rail in the railing system.

Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0)
Since: 2013

Syntax

C#
`public ElementId TopRailType { get; set; }`

Visual Basic
`Public Property TopRailType As ElementId Get Set`

Visual C++
`public: property ElementId^ TopRailType { ElementId^ get (); void set (ElementId^ value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentException	When setting this property: The topRailType is not a valid top rail type.
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was null