Occurs when the exporter want to provide a status update.

C# | Visual Basic | Visual C++ |
event EventHandler<EventArgs<string>> StatusUpdate
Event StatusUpdate As EventHandler(Of EventArgs(Of String))
event EventHandler<EventArgs<String^>^>^ StatusUpdate { void add (EventHandler<EventArgs<String^>^>^ value); void remove (EventHandler<EventArgs<String^>^>^ value); }

Argument()()() is the status update message.