RhinoCommon API
IntervalLessThanOrEqual Operator | 
            Determines whether the first specified Interval comes before
            (has inferior sorting value than) the second Interval, or is equal to it.
            
The lower bound has first evaluation priority.
Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll)
Since: 5.0
public static bool operator <=( Interval a, Interval b )
Public Shared Operator <= ( a As Interval, b As Interval ) As Boolean
Parameters
- a
 - Type: Rhino.GeometryInterval
First interval. - b
 - Type: Rhino.GeometryInterval
Second interval. 
Return Value
Type: Booleantrue if a[0] is smaller than b[0], or a[0] == b[0] and a[1] is smaller than or equal to b[1]; otherwise, false.