F_Rhino_RhinoMath_UnsetValue - mcneel/rhinocommon-api-docs GitHub Wiki
Gets the Rhino standard Unset value. Use this value rather than Double.NaN when a bogus floating point value is required.
Namespace: Rhino
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0
C#
public const double UnsetValue = -1.23432101234321E+308
VB
Public Const UnsetValue As Double = -1.23432101234321E+308
Type: Double
Supported in: 5D58w