using System;
using System.Runtime.InteropServices;
namespace TestDll
{
[Guid("93FFB6A2-4B32-4546-B19F-C3D5DB22E57F")]
public interface ISample{
[DispId(0)]
string About();
[DispId(1)]
int Add(int a,int b);
}
public class Sample : ISample{
public Sample(){}
public string About() {return "欢迎访问 http://www.eglic.com";}