Retrieve the span direction angle of the floor

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

Syntax

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

Visual Basic
`Public Property SpanDirectionAngle As Double Get Set`

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

Remarks

The angle returned is in radians. An exception will be thrown if the floor is non structural.