SelectedItem returns the selected item. You can set this property to change the selected item. SelectedIndex along with the Value and Text properties will all be updated to reflect the selected item.
TextTarget Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2