//Create the group control container NavBarGroupControlContainer groupContainer = new NavBarGroupControlContainer(); NavBarGroup group = new NavBarGroup("GroupName"); group.SmallImage = new Icon("YourIcon.ico"); group.GroupStyle = NavBarGroupStyle.ControlContainer; m_navBar.Controls.Add(groupContainer); group.ControlContainer = groupContainer; group.Visible = true; customControl.Dock = DockStyle.Fill; groupContainer.Controls.Add(customControl);
http://stackoverflow.com/questions/1300508/adding-child-items-to-devexpress-xtranavbar