I suggest you to take a look at the new version of this demo, which is included in our 2013 Q2 Beta release (the official release is planned for the next week). We strongly recommend you to use the approach in the demo (you can download it from here
). In the Beta release we've introduced a lot of new features and one of them is DropDownPosition property of RadMenuItem
has such property as well). With its help, the submenu items of the item on which you've set the property will be shown at the specified position (top, bottom, left, right). You may also use DropDownWidth, DropDownHeight and ItemsPanel properties based on your needs.
Can you check the demo and inform us if you have any problems or concerns.