code: def doubleclickrowindex(self, window_name, object_name, row_index, col_index=0):
          
          object_handle = self._get_object_handle(window_name, object_name)
          if not object_handle.AXEnabled:
              raise LdtpServerException(u"Object %s state disabled" % object_name)
  
          count = len(object_handle.AXRows)
          if row_index < 0 or row_index > count:
              raise LdtpServerException('Row index out of range: %d' % row_index)
          cell = object_handle.AXRows[row_index]
          self._grabfocus(cell)
          x, y, width, height = self._getobjectsize(cell)
          # Mouse double click on the object
          cell.doubleClickMouse((x + width / 2, y + height / 2))
          return 1
docs: Double click row matching given text
  
          @param window_name: Window name to type in, either full name,
          LDTP's name convention, or a Unix glob.
          @type window_name: string
          @param object_name: Object name to type in, either full name,
          LDTP's name convention, or a Unix glob.
          @type object_name: string
          @param row_index: Row index to click
          @type row_index: integer
          @param col_index: Column index to click
          @type col_index: integer
  
          @return: row index matching the text on success.
          @rtype: integer