Gets or sets the index of the selected items in the list.
Property Value
An array of indexes of the selected items in the list.
The default is null, which indicates that nothing is selected.
Supported .NET Platforms: .NET 4.0 and higher, Windows Forms, ASP.NET, Windows Presentation Foundation 4.x, Silverlight 5, WinRT, Universal Windows Platform, Xamarin Mac, iOS & Android, Portable Class Library, .NET Core, .NET Standard
Target Platforms:Windows 10, Windows 8.1, Windows 8 , Windows 7, Windows Vista SP1 or later, Windows Server 2008, Windows Server 2008 R2