public static bool UpdateNodeNInfo(this RadTreeNode node)
 {
     if (!(node.Tag is NBatchInfo))
     {
         if (node.Tag is NFileInfo)
         {
             node.UpdateFileNodeCatInfo();
         }
         else
         {
             if (node.Tag is NCategoryInfo)
             {
             }
         }
     }
     return(true);
 }