Selection chaned event does not working with touch scroll?

Question

Touch Scrolling is working when check my app by window Simulator on the OS 2010.  

Selection event of Telerik TileList control does not firing with touch screen. I want to scrolling tile list by touch screen and if user click on tiles then will be fire selection changed event  but not firing why?

<ScrollViewer VerticalScrollBarVisibility="Disabled" HorizontalScrollBarVisibility="Auto"  PanningMode="Both"  ManipulationBoundaryFeedback="ScrollViewerCanvas_ManipulationBoundaryFeedback">
                                   <telerik:RadTileList Grid.Column="1" Grid.Row="1" x:Name="horizontalListBox"  ItemsPanel="{StaticResource itemsPanelTemplate}"
                    ItemsSource="{Binding HomeModel.TechnicianFieldScheuleCollection }">


                                   <telerik:RadTileList.ItemContainerStyle>
                                           <Style>

                                               <Setter Property="telerik:Tile.Background" Value="Transparent" />


                                           </Style>

                                           <!--<Style TargetType="telerik:Tile" BasedOn="{StaticResource {x:Type telerik:Tile}}">
                                               <Setter Property="Background" Value="Tomato"/>


                                               <Setter Property="flowConfiguration:TileAttachedProperties.IsTyleTypeBound" Value="True"/>
                                               these events wil be handled in .xaml.cs file
                                               <EventSetter Event="TouchDown" Handler="TouchDown_OnHandler"/>
                                               <EventSetter Event="MouseDown" Handler="MouseDown_OnHandler"/>
                                               <Setter Property="Template">
                                                   <Setter.Value>
                                                       <ControlTemplate>
                                                           <Grid x:Name="TileRootPanel" Background="{TemplateBinding Background}" Margin="10"
                                     HorizontalAlignment="Stretch"
                                     VerticalAlignment="Stretch">
                                                               <Grid x:Name="ContentVisual" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
                                                                   <ContentPresenter HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
                                           Content="{Binding
                                           RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type telerik:Tile}},
                                           Path=Content, UpdateSourceTrigger=PropertyChanged}"
                                           ContentTemplateSelector="{StaticResource TileContentTemplateSelectorKey}"/>
                                                               </Grid>
                                                               <Border x:Name="SelectedVisual" Visibility="Collapsed" BorderThickness="1" Margin="0" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
                                                                   <Grid Margin="0" x:Name="SelectedSymbol" Background="Blue"
                                                     HorizontalAlignment="Right"
                                                     VerticalAlignment="Bottom" Width="20" Height="20">
                                                                       <TextBlock Text="!" FontWeight="Bold" Foreground="Red" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                                                                   </Grid>
                                                               </Border>
                                                               <Border x:Name="MouseOverVisual" Margin="0"
                                           Visibility="Collapsed" BorderThickness="1"
                                           HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
                                                           </Grid>
                                                           <ControlTemplate.Triggers>
                                                               <Trigger Property="telerik:Tile.IsMouseOver" Value="True">
                                                                   <Setter Property="Border.BorderBrush" TargetName="MouseOverVisual" Value="GreenYellow"/>
                                                                   <Setter Property="Border.Visibility" TargetName="MouseOverVisual" Value="Visible"/>
                                                                   <Setter Property="Border.BorderThickness" TargetName="MouseOverVisual" Value="1.5"/>
                                                               </Trigger>
                                                               <Trigger Property="telerik:Tile.IsMouseOver" Value="False">
                                                                   <Setter Property="Border.BorderBrush" TargetName="MouseOverVisual" Value="Transparent"/>
                                                                   <Setter Property="Border.Visibility" TargetName="MouseOverVisual" Value="Collapsed"/>
                                                               </Trigger>
                                                               <Trigger Property="telerik:Tile.IsSelected" Value="True">
                                                                   <Setter Property="Border.BorderBrush" TargetName="SelectedVisual" Value="Blue"/>
                                                                   <Setter Property="Border.BorderThickness" TargetName="SelectedVisual" Value="2.5"/>
                                                                   <Setter Property="Grid.Visibility" TargetName="SelectedVisual" Value="Visible"/>
                                                               </Trigger>
                                                               <Trigger Property="telerik:Tile.IsSelected" Value="False">
                                                                   <Setter Property="Border.BorderBrush" TargetName="SelectedVisual" Value="Transparent"/>
                                                                   <Setter Property="Grid.Visibility" TargetName="SelectedVisual" Value="Collapsed"/>
                                                               </Trigger>
                                                           </ControlTemplate.Triggers>
                                                       </ControlTemplate>
                                                   </Setter.Value>
                                               </Setter>
                                           </Style>-->
                                       </telerik:RadTileList.ItemContainerStyle>


                                   <ie:Interaction.Triggers>
                                       <ie:EventTrigger EventName="SelectionChanged">
                                           <ie:InvokeCommandAction Command="{Binding homeTileListSelectedItemChangedCommand}" >
                                               <ie:InvokeCommandAction.CommandParameter>
                                                   <MultiBinding>
                                                       <MultiBinding.Converter>
                                                           <app:TechnicianConverterHome></app:TechnicianConverterHome>
                                                       </MultiBinding.Converter>
                                                       <Binding ElementName="horizontalListBox" />
                                                       <Binding ElementName="HomeUserControl" />
                                                   </MultiBinding>
                                               </ie:InvokeCommandAction.CommandParameter>
                                           </ie:InvokeCommandAction>
                                       </ie:EventTrigger>
                                   </ie:Interaction.Triggers>


                               </telerik:RadTileList>

                                  </ScrollViewer>

 and in code behind :

private void ScrollViewerCanvas_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
        {
            e.Handled = true;
        }