FocusWithinProperty.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / FocusWithinProperty.cs / 2 / FocusWithinProperty.cs
                        

                        
                            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);
            } 
        }
    } 
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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