To intercept messages before they are sent to the user, an extension point class must be specified that extends the com.ibm.collaboration.realtime.messages.MessageHandlerPreCallback class.

要在消息被发送到用户之前截取这些消息，必须指定一个扩展于 com.ibm.collaboration.realtime.messages.MessageHandlerPreCallback 类的扩展点类。

youdao

This function will create a new buffer feature data layer around the input point features at user specified distance.

此函数将以输入点为基础，按照用户指定的距离创建一个新缓冲区轮廓数据层。

youdao

At this point, all that this iteration of the script does is display a message that shows the user-specified values.

到目前为止，脚本的这一次迭代只是通过显示消息显示用户指定的值。

youdao