using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Input;

namespace TestTouchScroll

{

    public class TouchScrolling : DependencyObject

    {

        public static bool GetIsEnabled(DependencyObject obj)

        {

            return (bool)obj.GetValue(IsEnabledProperty);

        }

        public static void SetIsEnabled(DependencyObject obj, bool value)

        {

            obj.SetValue(IsEnabledProperty, value);

        }

        public bool IsEnabled

        {

            get { return (bool)GetValue(IsEnabledProperty); }

            set { SetValue(IsEnabledProperty, value); }

        }

        public static readonly DependencyProperty IsEnabledProperty =

            DependencyProperty.RegisterAttached("IsEnabled", typeof(bool), typeof(TouchScrolling), new UIPropertyMetadata(false, IsEnabledChanged));

        static Dictionary<object, MouseCapture> _captures = new Dictionary<object, MouseCapture>();

        static void IsEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)

        {

            var target = d as ScrollViewer;

            if (target == null) return;

            if ((bool)e.NewValue)

            {

                target.Loaded += target_Loaded;

            }

            else

            {

                target_Unloaded(target, new RoutedEventArgs());

            }

        }

        static void target_Unloaded(object sender, RoutedEventArgs e)

        {

            System.Diagnostics.Debug.WriteLine("Target Unloaded");

            var target = sender as ScrollViewer;

            if (target == null) return;

            _captures.Remove(sender);

            target.Loaded -= target_Loaded;

            target.Unloaded -= target_Unloaded;

            target.PreviewMouseLeftButtonDown -= target_PreviewMouseLeftButtonDown;

            target.PreviewMouseMove -= target_PreviewMouseMove;

            target.PreviewMouseLeftButtonUp -= target_PreviewMouseLeftButtonUp;

        }

        static void target_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)

        {

            var target = sender as ScrollViewer;

            if (target == null) return;

            _captures[sender] = new MouseCapture

            {

                VerticalOffset = target.VerticalOffset,

                HorticalOffset = target.HorizontalOffset,

                Point = e.GetPosition(target),

            };

        }

        static void target_Loaded(object sender, RoutedEventArgs e)

        {

            var target = sender as ScrollViewer;

            if (target == null) return;

            System.Diagnostics.Debug.WriteLine("Target Loaded");

            target.Unloaded += target_Unloaded;

            target.PreviewMouseLeftButtonDown += target_PreviewMouseLeftButtonDown;

            target.PreviewMouseMove += target_PreviewMouseMove;

            target.PreviewMouseLeftButtonUp += target_PreviewMouseLeftButtonUp;

        }

        static void target_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)

        {

            var target = sender as ScrollViewer;

            if (target == null) return;

            target.ReleaseMouseCapture();

        }

        static void target_PreviewMouseMove(object sender, MouseEventArgs e)

        {

            if (!_captures.ContainsKey(sender)) return;

            if (e.LeftButton != MouseButtonState.Pressed)

            {

                _captures.Remove(sender);

                return;

            }

            var target = sender as ScrollViewer;

            if (target == null) return;

            var capture = _captures[sender];

            var point = e.GetPosition(target);

            var dy = point.Y - capture.Point.Y;

            var dx = point.X - capture.Point.X;

            if (Math.Abs(dy) > 5)

            {

                target.CaptureMouse();

            }

            if (Math.Abs(dx) > 5)

            {

                target.CaptureMouse();

            }

            target.ScrollToVerticalOffset(capture.VerticalOffset - dy);

            target.ScrollToHorizontalOffset(capture.HorticalOffset - dx);

        }

        internal class MouseCapture

        {

            public Double VerticalOffset { get; set; }

            public Double HorticalOffset { get; set; }

            public Point Point { get; set; }

        }

    }

}

<Window x:Class="TestTouchScroll.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

        xmlns:my="clr-namespace:TestTouchScroll"

        Title="MainWindow" Height="410" Width="888">

    <Grid>

        <ScrollViewer my:TouchScrolling.IsEnabled="True" HorizontalAlignment="Right" Width="351">

            <StackPanel>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="120" Margin="12" Click="Button_Click">hello wgscd</Button>

            </StackPanel>

        </ScrollViewer>

        <ScrollViewer my:TouchScrolling.IsEnabled="True" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Disabled" HorizontalAlignment="Left" Width="458" Background="#FFEBEBEB">

            <StackPanel Orientation="Horizontal" >

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

                <Button Height="328"  Width="182" Margin="12" Click="Button_Click">hello wgscd</Button>

            </StackPanel>

        </ScrollViewer>

    </Grid>

</Window>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

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;

namespace TestTouchScroll

{

    /// <summary>

    /// Interaction logic for MainWindow.xaml

    /// </summary>

    public partial class MainWindow : Window

    {

        public MainWindow()

        {

            InitializeComponent();

        }

        private void Button_Click(object sender, RoutedEventArgs e)

        {

            MessageBox.Show("hello");

        }

    }

}