@Override
 void releaseChildren(boolean destroy) {
   ToolItem[] items = getItems();
   for (int i = 0; i < items.length; i++) {
     ToolItem item = items[i];
     if (item != null && !item.isDisposed()) {
       item.release(false);
     }
   }
   super.releaseChildren(destroy);
 }
 void releaseChildren(boolean destroy) {
   if (items != null) {
     for (int i = 0; i < items.length; i++) {
       TabItem item = items[i];
       if (item != null && !item.isDisposed()) {
         item.release(false);
       }
     }
     items = null;
   }
   super.releaseChildren(destroy);
 }
 @Override
 void releaseChildren(boolean destroy) {
   if (caret != null) {
     caret.release(false);
     caret = null;
   }
   if (ime != null) {
     ime.release(false);
     ime = null;
   }
   super.releaseChildren(destroy);
 }