Touch doesn't work in Windows 10 file open picker -


i've downloaded file open picker sample microsoft (https://code.msdn.microsoft.com/windowsapps/file-picker-app-extension-0cb95155) testing file open picker contract.

i installed sample app , went through file picker ui (where select installed app pick file from). there can't interact ui using touch screen. mouse works fine. sample works fine touch in windows 8.1.

it ignores click events. hover animations still happen.

i made simple app gridview , button. gridview.itemclick worked fine touch, button click events work maybe once every 30 clicks. tried setting click, pointerreleased, , command.

i tried built-in photo app, , same results. touch doesn't work buttons outside of gridview.

here's simple page (minus gridview) doesn't respond touch click events:

public sealed partial class app : application {         ...         protected override void onfileopenpickeractivated(fileopenpickeractivatedeventargs args)         {             var root = new frame();             window.current.content = root;             root.navigate(typeof(mainpage), null);             window.current.activate();             base.onfileopenpickeractivated(args);         }         ... }  <page     x:class="filepickertest.mainpage"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     xmlns:local="using:filepickertest"     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"     mc:ignorable="d">      <grid background="{themeresource applicationpagebackgroundthemebrush}">         <button content="sample"                 width="400"                 height="100"                 click="button_click"/>     </grid> </page> 

anyone else notice , come workaround?


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