private void SetButtonVisibility()
{
var selectedNode = (IdendtityNode)CurriculumnTreeView.SelectedNode;
if (selectedNode != null)
{
if (selectedNode.Type == NodeType.Curriculum || selectedNode.Type == NodeType.Stage)
{
OpenTestButton.Enabled = false;
}
else
{
OpenTestButton.Enabled = ConditionChecker.IsViewingAllowed(((IdendtityNode)selectedNode.Parent).ID);
}
}
}
