code: def enterstring(self, window_name, object_name='', data=''):
          
          if not object_name and not data:
              return self.generatekeyevent(window_name)
          else:
              object_handle = self._get_object_handle(window_name, object_name)
              if not object_handle.AXEnabled:
                  raise LdtpServerException(u"Object %s state disabled" % object_name)
              self._grabfocus(object_handle)
              object_handle.sendKeys(data)
              return 1
docs: Type string sequence.
          
          @param window_name: Window name to focus on, either full name,
          LDTP's name convention, or a Unix glob.
          @type window_name: string
          @param object_name: Object name to focus on, either full name,
          LDTP's name convention, or a Unix glob. 
          @type object_name: string
          @param data: data to type.
          @type data: string
  
          @return: 1 on success.
          @rtype: integer