static void Main(string[] args)
{
MyClass mclass = new MyClass();
IA IAClass = (IA)mclass;
IB IBClass = (IB)mclass;
string test1 = IAClass.Foo();
string test33 = IBClass.Foo();
int inttest = IAClass.Foo2();
string test2 = IBClass.Foo2();
Console.ReadKey();
}
