The window, which should be full-screen in a WPF touch-screen application, moves when scrolling through the internal list

Question

I am writing a GUI application to work on a touch device using VB.NET and WPF - it should be full-screen at all times, for example, a kiosk application; the window should not be resized or moved. The window contains a ListBox that users are currently viewing by dragging it across the list. The problem that I see is that when the user drags the list, the whole window moves a bit, exposing the desktop under it, and then returns to the place after the user stops. I could not figure out how to keep the window still, while still allowing users to drag and drop the ListBox to see all the items in the list. Here is a slightly simplified version of my code:

<Window  
  x:Class="MainWindow"  
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="MainWindow"  
  WindowStyle="None"  
  WindowState="Maximized"  
  WindowStartupLocation="CenterScreen"  
  KeyboardNavigation.TabNavigation="None"  
  Topmost="True"  
  Focusable="False"  
  ResizeMode="NoResize"  
  ShowInTaskbar="False"  
  MaxHeight="1080px"  
  MaxWidth="1920px">  
  <Grid>  
     <ListBox
       x:Name="docList"  
       ScrollViewer.HorizontalScrollBarVisibility="Hidden"  
       ScrollViewer.VerticalScrollBarVisibility="Hidden"
       BorderThickness="0">  
       <TextBlock Text="Item1" />  
       <TextBlock Text="Item2" />  
       <TextBlock Text="Item3" />  
       <TextBlock Text="Item4" />  
       <TextBlock Text="Item5" />  
       <TextBlock Text="Item6" />  
     </ListBox>
  </Grid>  
</Window>  

Answer 1

, OnManipulationBoundaryFeedback(object sender, TouchEventArgs e) e.Handled true, "" .

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