private void _uploadUntrustSignatureListViewPasteMenuItem_Click(object sender, RoutedEventArgs e)
{
var viewModel = _uploadLinkListView.SelectedItem as LinkViewModel;
if (viewModel == null) return;
foreach (var signature in Clipboard.GetText().Split('\r', '\n'))
{
if (!Signature.Check(signature)) continue;
if (viewModel.DeleteSignatures.Contains(signature)) continue;
viewModel.DeleteSignatures.Add(signature);
}
}