protected override void OnBeforeExpand(NodeViewCancelEventArgs e)
{
// Do not raise a Navigated event for expanding nodes.
_raiseNavigated = false;
base.OnBeforeExpand(e);
_raiseNavigated = true;
}
protected override void OnBeforeCollapse(NodeViewCancelEventArgs e)
{
// Do not allow collapsing project nodes.
if (e.Node is ProjectNode)
{
e.Cancel = true;
}
base.OnBeforeCollapse(e);
}
