CALL.IDL

[ uuid (D694C1C0-09D7-1068-94AF-00DD010662DA), 
  version(1.0), 
  pointer_default(unique) 
] 
interface callback 
{ 
 
short Fibonacci([in] short int nValue); 
 
[callback] short Fibonacci2([in] short int nValue); 
 
void Shutdown(void); 
 
}