private void btReindexCorpus_Click(object sender, RoutedEventArgs e)
{
Indexation_ViewModel indexation_vm = new Indexation_ViewModel(indexer_worker);
indexer_worker.RunWorkerAsync(new Tuple <Corpora_ViewModel, Indexation_ViewModel>((Corpora_ViewModel)DataContext, indexation_vm));
busy_with_indexing = new BusyWithIndexing(indexation_vm);
busy_with_indexing.Owner = this;
busy_with_indexing.ShowDialog();
}
private void indexer_worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs args)
{
busy_with_indexing.Close();
busy_with_indexing = null;
}