LToolbar::AddButton

#define IDB_BITMAP1                     101 
#define IDB_BITMAP2                     102 
#define IDB_BITMAP3                     103 
#define IDB_BITMAP4                     104 
L_INT LToolbar__AddButtonExample( HWND hWnd, LToolbar* tlb) 
{ 
   L_INT nRet; 
   /*Assume that m_hWnd is a valid window handle*/ 
   /* Initiate the toolbar handle */ 
   nRet = tlb->Initialize (); 
   if(nRet != SUCCESS) 
      return nRet; 
   /* Check the validity of the handle */ 
   if ( tlb->IsValid () ) 
   { 
      POINT pt = { 0, 0 } ; 
      /* Initiate the point will be used to align the toolbar at the top-left of its owner client area */ 
      ::ClientToScreen ( hWnd, &pt ) ; 
      /* Create the toolbar  */ 
      nRet = tlb->Create (hWnd, TEXT("Tools Window"), TOOLBAR_EMPTY ) ; 
      if(nRet != SUCCESS) 
         return nRet; 
      /* assume these resource IDs contain valid bitmaps */ 
      const L_INT nResId[ 4 ] = { IDB_BITMAP1, IDB_BITMAP2, IDB_BITMAP3, IDB_BITMAP4 }; 
      const L_TCHAR *szToolTipText[ 4 ] = { TEXT("Button 1"), TEXT("Button 2"), TEXT("Button 3"), TEXT("Button 4") }; 
      LBUTTONINFO ButtonInfo; 
      L_INT i; 
      L_UINT uRefId; 
      L_UINT32 dwFlags; 
      uRefId = 0;  /* we dont need a reference button when adding the first one */ 
      for( i = 0; i < 4; i++ ) 
      { 
         ButtonInfo.uID = i + 1; 
         ButtonInfo.hBitmap = LoadBitmap( 
         (HINSTANCE) L_GETWINDOWLONGPTR( hWnd /*hWndParent*/, GWLP_HINSTANCE ), 
         MAKEINTRESOURCE( nResId[ i ] ) ); 
         if(ButtonInfo.hBitmap) 
         { 
            lstrcpy( ButtonInfo.szToolTipText, szToolTipText[ i ] ); 
            ButtonInfo.dwTag = 0L; 
            ButtonInfo.fsState = TBSTATE_ENABLED; 
            ButtonInfo.uStructSize=sizeof(LBUTTONINFO); 
            dwFlags = TOOLBAR_ADD_AFTER; 
            if( i == 0 || i == 2 ) 
               dwFlags |= TOOLBAR_ADD_TOOL; 
            nRet = tlb->AddButton (uRefId, &ButtonInfo, dwFlags ); 
            if(nRet != SUCCESS) 
               return nRet; 
            DeleteObject( ButtonInfo.hBitmap );  /* the toolbar toolkit keeps its own copy */ 
            uRefId = ButtonInfo.uID;  /* save last button ID */ 
         } 
      } 
      /* Set the toolbar position */ 
      nRet = tlb->SetPosition (&pt, TOOLBAR_POSITION_TOP | TOOLBAR_POSITION_LEFT ) ; 
      if(nRet != SUCCESS) 
         return nRet; 
      /* Show the toolbar */ 
      nRet = tlb->SetVisible (TRUE ) ; 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
   return SUCCESS; 
}