'Declaration
Public Structure Plane3D Inherits System.ValueType
'Usage
Dim instance As Plane3D
public struct Plane3D : System.ValueType
public type Plane3D = class(System.ValueType)
In JScript, you can use structures in other assemblies, but you cannot define your own.
public __value struct Plane3D : public System.ValueType
public value class Plane3D : public System.ValueType