public void SortTree_should_send_a_SortTreeEvent()
        {
            const SortOrder sortOrder = SortOrder.Ascending;

            controller.SortTree(sortOrder);

            eventAggregator.AssertWasCalled(ea => ea.Send(Arg.Is(controller), Arg <SortTreeEvent> .Matches(ste => ste.SortOrder == sortOrder)));
        }
 private void SortTree(SortOrder sortOrder)
 {
     sortAscToolStripButton.Checked  = (sortOrder == SortOrder.Ascending);
     sortDescToolStripButton.Checked = (sortOrder == SortOrder.Descending);
     testExplorerController.SortTree(sortOrder);
 }
 private void SortTree(SortOrder sortOrder)
 {
     sortAscToolStripButton.Checked = (sortOrder == SortOrder.Ascending);
     sortDescToolStripButton.Checked = (sortOrder == SortOrder.Descending);
     testExplorerController.SortTree(sortOrder);
 }