private void BwGetCOLLECTION_DoWork(object sender, DoWorkEventArgs e)
{
// This event handler is where the actual work is done.
// This method runs on the background thread.
BackgroundWorker worker = (BackgroundWorker)sender;
// Get the BackgroundWorker object that raised this event.
MC = (MyCollection)e.Argument;
MC.Create(worker, e);
}