/// <summary>
/// Handles the RunWorkerCompleted event of the Retriever worker.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">
/// The <see cref="System.ComponentModel.RunWorkerCompletedEventArgs" /> instance containing the event data.
/// </param>
private void Retriever_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
BusyIndicator.IsNoMoreBusy();
}