C# abstract struct

Question

How can I achieve inheritance (or similar) with structs in C#? I know that an abstract struct isn\'t possible, but I need to achieve something similar.

I need it as

Answer 1

You can use interfaces

interface IVertex 
{
    int SizeInBytes();
    void SetPointers();
}

struct ColorVertex : IVertex
{
   Vector3 Position;
   Vector4 Color;

   int SizeInBytes
   {
      get { return (3 + 4) * 4; }
   }
   void SetVertexPointers()
   {
       ...
   }
}