In the command handler class, you now have to do three things.
在command handler类中，您现在必须做三件事。
Create an Eclipse user intereface (UI) command to provide a menu entry to call a command handler.
创建一个Eclipse用户界面（UI）命令，提供一个菜单项来调用命令处理程序。
This wizard adds a menu or accelerator command handler or dialog control event handler to the class of your choice.
本向导将菜单、快捷键命令处理程序或对话框控件事件处理程序添加到所选的类中。
You can work with one command handler; you just have to check on the command ID that is passed into the command handler and act accordingly.
您可以处理一个命令处理程序；只需检查传入命令处理程序的命令ID并相应地采取操作。
A handler can be anything from calling a method on an object, running a command or invoking a remote object call.
事件处理器可以做任何事，包括调用一个对象的方法，运行一个命令，或者对远程对象进行调用。
We require, for that view, a new command and handler to add the proposed contributions.
对于该视图，需要使用一个新命令和处理程序来添加被提及的组件。
Create a new command and a new handler.
创建新命令和新处理程序。
After a handler gives the down command and the dog complies, the handler can say GOOD and offer multiple food rewards.
在训练员给出卧下口令，狗完成了，训练员可以说GOOD，并给出数份食物奖励。
Gestures are used to help a dog perform a behavior before the handler names the exercise by adding a command.
在训练者通过加入口令给动作命名之前，手势被用来帮助狗作出动作。
Gestures are used to help a dog perform a behavior before the handler names the exercise by adding a command.
在训练者通过加入口令给动作命名之前，手势被用来帮助狗作出动作。
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