class R1 : MarshalByRefObject, R2 {
public int test_field = 5;
class R1 : MarshalByRefObject, R2 {
public int test_field = 5;
public virtual MyStruct Add (int a, out int c, int b) {
Console.WriteLine ("ADD");
public virtual MyStruct Add (int a, out int c, int b) {
Console.WriteLine ("ADD");