void IToolboxConsumer.DragItem(ItemToolboxNode item, Gtk.Widget source, Gdk.DragContext ctx)
{
if (Designer != null)
{
ComponentToolboxNode node = item as ComponentToolboxNode;
if (node != null)
{
if (node.Reference == null)
{
Designer.BeginComponentDrag(node.ComponentType, source, ctx);
}
else
{
Designer.BeginComponentDrag(node.Name, node.ClassName, source, ctx, delegate { CheckReference(node); });
}
}
}
}