code: private void delete_obj_property(Database database, String name, String type, String[] propnames)
              throws DevFailed {
          if (!database.isAccess_checked()) checkAccess(database);
  
          //	Format input parameters as strin array
          //--------------------------------------------
          String[] array;
          array = new String[propnames.length + 1];
          array[0] = name;
          System.arraycopy(propnames, 0, array, 1, propnames.length);
  
          //	Buid command name (depends on object type)
          //---------------------------------------------------
          String cmd = "DbDelete" + type + "Property";
  
          //	Send it to  Database
          //------------------------------
          DeviceData argIn = new DeviceData();
          argIn.insert(array);
          command_inout(database, cmd, argIn);
      }
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