Controlled Application Progress Changed Event

public event EventHandler<ProgressChangedEventArgs> ProgressChanged

Public Event ProgressChanged As EventHandler(Of ProgressChangedEventArgs)

public:
 event EventHandler<ProgressChangedEventArgs^>^ ProgressChanged {
	void add (EventHandler<ProgressChangedEventArgs^>^ value);
	void remove (EventHandler<ProgressChangedEventArgs^>^ value);
}

member ProgressChanged : IEvent<EventHandler<ProgressChangedEventArgs>,
    ProgressChangedEventArgs>

Value

Handlers of this event may use the Cancel method to cancel the operation tracked by the progress bar. Users may not change the document in the handler for this event. Exception ModificationForbiddenException will be thrown if any document-modifying method is called during this event's handler.

Reference