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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.DragAndDrop;
namespace Tango.Touch.Controls
{
public class TouchScrollViewer : ScrollViewer
{
//private double _position;
//private bool _fixed;
static TouchScrollViewer()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(TouchScrollViewer), new FrameworkPropertyMetadata(typeof(TouchScrollViewer)));
}
//public TouchScrollViewer()
//{
// this.RegisterForPreviewMouseOrTouchDown((_, e) =>
// {
// if (e.OriginalSource.GetType() == typeof(DragThumb))
// {
// e.Handled = true;
// return;
// }
// });
//}
//public void FixPosition()
//{
// _position = VerticalOffset;
// _fixed = true;
//}
//public void ReleasePosition()
//{
// _fixed = false;
//}
//public TouchScrollViewer()
//{
// AddHandler(PreviewTouchUpEvent, new EventHandler<TouchEventArgs>(async (_, __) =>
// {
// await Task.Delay(250);
// ReleasePosition();
// }), true);
//}
//protected override void OnScrollChanged(ScrollChangedEventArgs e)
//{
// if (_fixed)
// {
// ScrollToVerticalOffset(_position);
// }
//}
}
}
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