using System; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Ink; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Collections.Generic; using System.Linq; namespace Wex.Lib.Demo.Extensions { public static class UIElementExtensions { public static IObservable<IEvent<KeyEventArgs>> GetKeyDown (this FrameworkElement el) { var allKeyDowns = Observable.FromEvent<KeyEventHandler, KeyEventArgs> (h => new KeyEventHandler(h), h => el.KeyDown += h, h => el.KeyDown -= h ); return allKeyDowns; } } }
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