public event DownloadStartEventHandler DownloadStartEvent;
时间: 2024-05-29 10:13:07 浏览: 29
As an AI language model, I don't have the context to fully understand what you are trying to achieve with this code snippet. However, I can explain what this line of code does.
This line of code declares a public event named DownloadStartEvent of type DownloadStartEventHandler. The DownloadStartEventHandler is a delegate type that defines the signature of methods that can be used to handle the event.
By declaring this event as public, it can be accessed by other classes and objects in the same namespace or assembly. Other classes can subscribe to this event by creating a method that matches the signature of the DownloadStartEventHandler delegate and adding it to the event's invocation list.
When the event is raised (i.e., when the download starts), all the subscribed methods are invoked and executed.
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