public FrameworkElement CreateWidgetControl(IDiagram widgetViewModel, ContextMenu contextMenu)
        {
            var htmlViewer = widgetViewModel as HtmlViewerWidgetViewModel;

            var ret = new BrowserControl {
                DataContext = htmlViewer, ContextMenu = contextMenu
            };

            var heightBinding = new Binding("Height")
            {
                Source = htmlViewer, Mode = BindingMode.TwoWay
            };
            var widthBinding = new Binding("Width")
            {
                Source = htmlViewer, Mode = BindingMode.TwoWay
            };
            var xBinding = new Binding("X")
            {
                Source = htmlViewer, Mode = BindingMode.TwoWay
            };
            var yBinding = new Binding("Y")
            {
                Source = htmlViewer, Mode = BindingMode.TwoWay
            };
            var transformBinding = new Binding("RenderTransform")
            {
                Source = htmlViewer, Mode = BindingMode.OneWay
            };
            var urlBinding = new Binding("Url")
            {
                Source = htmlViewer, Mode = BindingMode.TwoWay
            };
            var toolbarVisibleBinding = new Binding("Settings.IsToolbarVisible")
            {
                Source = htmlViewer, Mode = BindingMode.TwoWay
            };

            ret.SetBinding(InkCanvas.LeftProperty, xBinding);
            ret.SetBinding(InkCanvas.TopProperty, yBinding);
            ret.SetBinding(FrameworkElement.HeightProperty, heightBinding);
            ret.SetBinding(FrameworkElement.WidthProperty, widthBinding);
            ret.SetBinding(UIElement.RenderTransformProperty, transformBinding);
            ret.SetBinding(BrowserControl.ActiveUrlProperty, urlBinding);
            ret.SetBinding(BrowserControl.IsToolbarVisibleProperty, toolbarVisibleBinding);

            return(ret);
        }