By handling the event, you can check some conditions and optionally cancel the event by setting the cancel property to true.
处理事件时，您能够检查一些条件，通过将Cance l属性设置为真选择取消事件。
The event source does not need to manage any event-related resources except for the emitter as all resource handling is performed by the emitter factory and emitter instances themselves.
除了发射器，事件源不必管理任何与事件相关的资源，因为所有的资源处理都是由发射器工厂和发射器实例自身执行的。
This complexity is partly caused by the common mistake of implementing the event method with a large if statement to capture all the handling logic.
造成这种复杂性的部分原因是出现了一种常见的错误：通过大量的if语句捕捉所有处理逻辑来实现event方法。
If, during the widget lifecycle, some connections are not needed any longer, the implementer can manually disconnect them by calling the disconnect method to reduce the event handling.
如果，在小部件生命周期内一些连接已经不再需要，那么实现者就可以通过调用disconnect方法来手动断开这些连接以减少事件的处理。
According to the attribute of component configuration document, police information is displayed by calling the components from interface component repository and driving component of Event handling.
警务信息的界面显示主要是根据构件配置文件的属性来调用界面构件库中的相关构件，驱动事件处理构件来完成。
The name of an event-handling subroutine will consist of the ID of the control that raised the event followed by the type of event being handled.
事件处理子程序的名字由触发此事件的控件ID 和被处理事件的类型组成。
This exception is caught within the subprocess by the error start event handling the bad credit card exception.
通过错误开始事件处理失败的信用卡异常，在子流程捕获异常。
Handling the event near the root and not handling by a child further toward the source may not be appropriate for composited controls, where the compositing pieces might have expected mouse behaviors.
对于组成成分可能具有预期鼠标行为的复合控件，处理接近根的事件并且不由源方向的下一代子级处理该事件可能并不正确。
The value returned from this function indicates whether the event should be propagated further by the GTK event handling mechanism.
这个函数的返回值指示这个事件是否应该由GTK事件处理机制做进一步的传播。
Also, any direction on where to get a good (as in not written by RIM) event handling guide for the Blackberry API would be helpful.
此外，(由rim写为不)从哪里获得良好的方向，为黑莓api事件处理指南将是有益的。
Handling the event near the root and handling it by a child further toward the source may not be appropriate for composited controls, where the compositing pieces might have expected mouse behaviors.
对于组成成分可能具有预期鼠标行为的复合控件，处理接近根的事件并且由源方向的下一代子级处理该事件可能并不正确。
By using the Properties window to define message - and event-handling functions, you can automatically update the message-dispatch table (or message map) and your class header file.
通过用“属性”窗口定义消息和事件处理函数，可以自动更新消息调度表(或消息映射)和类的头文件。
By handling this event, you can add code that initializes the application before the main form is loaded.
通过处理此事件，可以添加一些代码，用于在加载主窗体之前初始化应用程序。
By using the method and system of the invention, the event-handling efficiency of the DCS can be increased.
通过本发明，能够提高分布式控制系统对于事件处理的效率。
By using the method and system of the invention, the event-handling efficiency of the DCS can be increased.
通过本发明，能够提高分布式控制系统对于事件处理的效率。
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