public class Mesh : Geometry, IEnumerable<int[]>, 
	IEnumerable, IMeshConvertible

Public Class Mesh
	Inherits Geometry
	Implements IEnumerable(Of Integer()), IEnumerable, 
	IMeshConvertible

public ref class Mesh : public Geometry, 
	IEnumerable<array<int>^>, IEnumerable, IMeshConvertible

type Mesh =  
    class
        inherit Geometry
        interface IEnumerable<int[]>
        interface IEnumerable
        interface IMeshConvertible
    end

int[] indices = new int[] {0, 1, 2};
mesh.CreatePolygon(indices);

foreach(int[] polygon in mesh)
{
    //deal with polygon
}