LToolbar::IsVisible

L_INT LToolbar__IsVisibleExample(LToolbar* tlb) 
{ 
   L_INT nRet; 
 
   if ( tlb->IsValid () ) /* check the validity of the toolbar handle */ 
   { 
 
      /* Get the visibility state of the toolbar */ 
 
      if (tlb->IsVisible () )  
      { 
         /* Hid the toolbar */ 
         nRet = tlb->SetVisible (FALSE ) ; 
         if(nRet != SUCCESS) 
            return nRet; 
      } 
      else 
      { 
         /* Show the toolbar */ 
         nRet = tlb->SetVisible (TRUE ) ; 
         if(nRet != SUCCESS) 
            return nRet; 
      } 
   } 
   else 
   { 
      return FAILURE ; 
   } 
 
   return SUCCESS ; 
}