It provides an event handler for each menu option.
它为每一个菜单选项提供事件处理程序。
Notice that the first script in the figure is not placed in an event handler method.
注意，图中的第一个脚本并不放置在一个事件处理程序方法中。
Your window procedure is the event handler.
窗口过程就是事件处理器。
In the example above, the event handler contained a human task.
在上面的示例中，事件处理程序包含一项手工任务。
This invoke activity calls the event handler.
此调用活动将调用事件处理程序。
The simplest event handler is a writer which outputs some text on each event.
最简单的事件处理程序就是输出每个事件中的一些文本的复写器。
Get the cancellation event handler of the process instance.
获取流程实例的取消事件处理程序。
You set up the event handler to accept the callback from the service.
可以设置事件处理程序来接收来自服务的回调。
A private copy of all process data and control behavior defined within an event handler is provided to each instance of an event handler.
将为事件处理程序的每个实例提供该事件处理程序内定义的所有进程数据和控制行为的私有副本。
By doing so, the loop in the main scope and logic in the event handler controls the final number of event handler instances.
这样，主范围内的循环和事件处理程序中的逻辑就可以控制事件处理程序的最终数目。
The event handler for components normally executes in the invoke application phase.
组件的事件处理程序通常都是在调用程序阶段执行的。
This creates a variable that is local to the event handler instance.
这将创建一个事件处理程序实例的局部变量。
Part 2: What actions does the event handler have to take?
第2部分：事件处理程序必须进行何种操作？
These restrictions must be considered carefully when an event handler is defined.
在定义事件处理程序时，必须仔细考虑这些限制。
Simply put, a filter is a SAX event handler that passes the events it receives to another event handler.
简单地说，过滤器是将接收到的事件传送给另一个事件处理程序的SAX事件处理程序。
The event handler contains a scope.
事件处理程序包含一个范围。
Finally, you define the simple event handler shown in Listing 5.
最后，需要定义简单的事件处理程序，如清单5所示。
If a review is finished, the event handler decrements this variable.
如果审阅完成，事件处理程序会对此变量进行递减。
You must set up your event handler to catch the incoming value.
必须设置事件处理程序来捕获传入的值。
This is analogous to the event handler built into GUI systems.
这类似于内置在GUI系统的事件处理程序。
Let's assume that an instance of the event handler detects that an additional instance of the same event handler has to be started.
让我们假定事件处理程序的实例检测到必须启动相同事件处理程序的其他实例。
The tag is an XML event handler.
标记是XML事件处理程序。
The variable VEH that is defined implicitly in the event handler is seen by all activities inside the event handler and scopes nested inside the event handler.
在事件程序中隐式定义的变量VEH 对事件处理程序和事件处理程序内嵌套的范围内的所有活动可见。
Part 1 defines the conditions under which an event handler is to be invoked; that is, it defines the type of the event handler.
第1部分定义要调用的事件处理程序的条件；即，它定义事件处理程序的类型。
Listing 6 shows this event handler.
清单6展示了该事件处理程序。
Each event handler receives an index as input value.
每个事件处理程序都会接收到一个索引作为输入值。
The callback is called the event handler.
回调被称为事件处理器。
An Elapsed event handler was queued to be executed at each event interval.
在每一个事件间隔就有一个时间消失事件处理会被排队执行。
There are several ways to wire an event to an event handler.
有几种方式可以将事件与事件处理程序相关联。
To remove a single event handler, specify all three arguments.
为了删除一个单独的事件处理器，需要指定所有的三个参数。
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