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using System;
using System.Windows.Input;
using MS.Internal.KnownBoxes;
namespace System.Windows
{
/////////////////////////////////////////////////////////////////////////
internal class FocusWithinProperty : ReverseInheritProperty
{
/////////////////////////////////////////////////////////////////////
internal FocusWithinProperty() : base(
UIElement.IsKeyboardFocusWithinPropertyKey,
CoreFlags.IsKeyboardFocusWithinCache,
CoreFlags.IsKeyboardFocusWithinChanged)
{
}
/////////////////////////////////////////////////////////////////////
internal override void FireNotifications(UIElement uie, ContentElement ce, UIElement3D uie3D, bool oldValue)
{
DependencyPropertyChangedEventArgs args =
new DependencyPropertyChangedEventArgs(
UIElement.IsKeyboardFocusWithinProperty,
BooleanBoxes.Box(oldValue),
BooleanBoxes.Box(!oldValue));
if (uie != null)
{
uie.RaiseIsKeyboardFocusWithinChanged(args);
}
else if (ce != null)
{
ce.RaiseIsKeyboardFocusWithinChanged(args);
}
else if (uie3D != null)
{
uie3D.RaiseIsKeyboardFocusWithinChanged(args);
}
}
}
}
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