VS 2010 β2
 
ITaskbarList3* GetITaskbarList3 (void)
{
      ITaskbarList3* pTL3 = NULL ;
      HRESULT   hr  = NULL ;
      hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER,IID_ITaskbarList3, (void**)&pTL3) ;
       if (hr == NOERROR) {
            return pTL3 ;
            }
      return NULL ;
      }
 
   if (TL3 != NULL) {
      TL3->SetProgressState(this->GetSafeHwnd(),TBPF_NORMAL) ;
      }

   if (TL3 != NULL) {
      TL3->SetProgressValue(this->GetSafeHwnd(),Counter,100) ;
      }