Files
Proftaak-RH-B4/Hashing/WPFStuff/MagicCode/FocusAdvancement.cs
2020-10-19 15:32:14 +02:00

41 lines
1.3 KiB
C#

using System;
using System.Windows;
using System.Windows.Input;
namespace Util.MagicCode
{
public static class FocusAdvancement
{
public static bool GetAdvancesByEnterKey(DependencyObject obj)
{
return (bool)obj.GetValue(AdvancesByEnterKeyProperty);
}
public static void SetAdvancesByEnterKey(DependencyObject obj, bool value)
{
obj.SetValue(AdvancesByEnterKeyProperty, value);
}
public static readonly DependencyProperty AdvancesByEnterKeyProperty =
DependencyProperty.RegisterAttached("AdvancesByEnterKey", typeof(bool), typeof(FocusAdvancement),
new UIPropertyMetadata(OnAdvancesByEnterKeyPropertyChanged));
static void OnAdvancesByEnterKeyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var element = d as UIElement;
if (element == null) return;
if ((bool)e.NewValue) element.KeyDown += Keydown;
else element.KeyDown -= Keydown;
}
static void Keydown(object sender, KeyEventArgs e)
{
if (!e.Key.Equals(Key.Enter)) return;
var element = sender as UIElement;
if (element != null) element.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
}
}
}