private void EhTopicSelectionChanged(NGTreeNode obj)
{
// if this node has a own control, use it, otherwise use the next child
var node = GetFirstNodeWithControl(obj);
string title = string.Empty;
object view = null;
if (node != null)
{
var desc = (IOptionPanelDescriptor)node.Tag;
var ctrl = desc.OptionPanel;
title = desc.Label;
view = ctrl.ViewObject;
_currentNode = node;
}
_view.InitializeTopicView(title, view);
_view.InitializeTopicViewDirtyIndicator(_dirtyTopics.Contains(_currentNode) ? 1 : 0);
}
