Public Event Downloading As EventHandler(Of DownloadProgressEventArgs)

Dim instance As ResourceDownloader
Dim handler As EventHandler(Of DownloadProgressEventArgs)
 
AddHandler instance.Downloading, handler

public event EventHandler<DownloadProgressEventArgs> Downloading

public event Downloading: EventHandler; 

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

public: __event EventHandler<DownloadProgressEventArgs*>* Downloading

public:
event EventHandler<DownloadProgressEventArgs^>^ Downloading