// The actual method which is raising the event
protected virtual void OnFileWrittenCompleted(FileWrittenCompletedEventArgs e)
{
// Temporary event handler to prevent from race condition if a subscriber
// unsubscribe between the null check and the actual raising
EventHandler<FileWrittenCompletedEventArgs> eventHandler = FileWritten;
// Checking if there is subscribers for the event
if (eventHandler != null)
{
// The actual raising of the event
FileWritten(this, e);
}
}
// Method which has been invoked after the event has been handled
private void OnFileWrittenCompleted(object sender, FileWrittenCompletedEventArgs e)
{
Console.WriteLine("The file {0}{1} has been written.", e.DestinationPath, e.Filename);
}