code: def gettextvalue(self, window_name, object_name, startPosition=0, endPosition=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)
          return object_handle.AXValue
docs: Get text value
          
          @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 startPosition: Starting position of text to fetch
          @type: startPosition: int
          @param endPosition: Ending position of text to fetch
          @type: endPosition: int
  
          @return: text on success.
          @rtype: string