ContributeDlg.xaml

<ContentDialog x:Class="TimelineWallpaper.ContributeDlg"
               xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
               xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
               xmlns:local="using:TimelineWallpaper"
               xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
               xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
               mc:Ignorable="d"
               x:Uid="DlgContribute"
               DefaultButton="Primary"
               IsPrimaryButtonEnabled="False"
               Style="{StaticResource DefaultContentDialogStyle}"
               Background="{ThemeResource AcrylicInAppFillColorDefaultBrush}">

    <ScrollViewer HorizontalScrollBarVisibility="Disabled"
                  HorizontalScrollMode="Disabled"
                  VerticalScrollMode="Auto"
                  VerticalScrollBarVisibility="Hidden"
                  IsVerticalRailEnabled="True"
                  ZoomMode="Disabled">
        <StackPanel MaxWidth="300">
            <TextBox Name="BoxUrl"
                     x:Uid="BoxUrl"
                     TextChanged="BoxUrl_TextChanged" />
            <TextBox Name="BoxTitle"
                     x:Uid="BoxTitle"
                     Margin="0,12,0,0" />
            <TextBox Name="BoxStory"
                     x:Uid="BoxStory"
                     TextWrapping="Wrap"
                     AcceptsReturn="True"
                     Margin="0,12,0,0" />
            <TextBox Name="BoxContact"
                     x:Uid="BoxContact"
                     Margin="0,12,0,0" />
            <TextBlock x:Uid="TextContributePrivacy"
                       Foreground="OrangeRed"
                       TextWrapping="Wrap"
                       Margin="0,16,0,0" />
        </StackPanel>
    </ScrollViewer>
    
</ContentDialog>