public override Control CreateControlPane()
{
//create an ElementHost
ElementHost eh = new ElementHost();
//assign the control
//eh.Anchor = AnchorStyles.Top;
eh.Dock = DockStyle.Top;
eh.Anchor = AnchorStyles.Top;
ns = new NavisWindow();
eh.Child = ns;
eh.HandleCreated += eh_HandleCreated;
eh.CreateControl();
//return the ElementHost
return eh;
}