public void UnloadAssembly(System.IntPtr pAppDomain, System.IntPtr pAssembly)
 {
     Call(delegate
     {
         callbackSwitch.UnloadAssembly(
             MTA2STA.MarshalIntPtrTo <ICorDebugAppDomain>(pAppDomain),
             MTA2STA.MarshalIntPtrTo <ICorDebugAssembly>(pAssembly)
             );
     });
 }