net40 
namespace System.Windows.Controls
{
    public class VirtualizingStackPanel : VirtualizingPanel, IScrollInfo
    {
        protected override void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e);
    }
}
.NET Framework 3.03.54.0
Information specific to net40
Assembly

PresentationFramework , Version=4.0.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs to set <UseWPF>True</UseWPF>.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API