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															-using System; 
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															-using Avalonia.Interactivity; 
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															-namespace Avalonia.Input.TouchGestureRecognizers 
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															-{ 
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															-    /* 
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															-    public class TapGestureRecognizer : ITouchGestureRecognizer 
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															-    { 
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															-        long _started; 
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															-        Point _startPoint; 
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															-        const double Distance = 20; 
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															-        const long MaxTapDuration = 500; 
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															-        TouchGestureRecognizerResult ITouchGestureRecognizer.RecognizeGesture(IInputElement owner, TouchEventArgs args) 
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															-        { 
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															-            if (args.Route == RoutingStrategies.Tunnel) 
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															-                return TouchGestureRecognizerResult.Continue; 
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															-             
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															-            // Multi-touch sequence 
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															-            if(args.Touches.Count > 1) 
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															-                return TouchGestureRecognizerResult.Reject; 
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															-            // Sequence started, save the start time 
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															-            if(args.Type == TouchEventType.TouchBegin) 
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															-            { 
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															-                _started = args.Timestamp; 
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															-                var pos = args.Touches[0].GetPosition(owner); 
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															-                if (pos == null) 
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															-                    return TouchGestureRecognizerResult.Reject; 
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															-                _startPoint = pos.Value; 
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															-                return TouchGestureRecognizerResult.Continue; 
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															-            } 
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															-             
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															-            if(args.Type == TouchEventType.TouchEnd) 
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															-            { 
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															-                var pos = args.RemovedTouches[0].GetPosition(owner); 
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															-                if (pos == null) 
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															-                    return TouchGestureRecognizerResult.Reject; 
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															-                var endPoint = pos.Value; 
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															-                 
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															-                if(Math.Abs(endPoint.X - _startPoint.X) < Distance 
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															-                   && Math.Abs(endPoint.Y - _startPoint.Y) < Distance 
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															-                   && (args.Timestamp - _started) < MaxTapDuration) 
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															-                { 
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															-                    ((Interactive)args.RemovedTouches[0].InitialTarget).RaiseEvent( 
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															-                        new RoutedEventArgs(Gestures.TappedEvent)); 
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															-                    return TouchGestureRecognizerResult.Accept; 
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															-                } 
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															-                else 
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															-                    return TouchGestureRecognizerResult.Reject; 
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															-            } 
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															-            return TouchGestureRecognizerResult.Continue; 
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															-        } 
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															- 
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															-        public void Cancel() 
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															-        { 
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															-            _started = 0; 
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															-            _startPoint = default; 
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															-        } 
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															-    } 
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															-    */ 
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															-} 
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