Public Event Failed As EventHandler(Of DownloadFailedEventArgs)

Dim instance As ResourceDownloader
Dim handler As EventHandler(Of DownloadFailedEventArgs)
 
AddHandler instance.Failed, handler

public event EventHandler<DownloadFailedEventArgs> Failed

public event Failed: EventHandler; 

In JScript, you can handle the events defined by another class, but you cannot define your own.

public: __event EventHandler<DownloadFailedEventArgs*>* Failed

public:
event EventHandler<DownloadFailedEventArgs^>^ Failed