tdlib-fork/example/uwp/app/MainPage.xaml

<Page
    x:Class="TdApp.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:TdApp"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    x:Name="Self">

    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="Auto"/>
            </Grid.ColumnDefinitions>
            <TextBox x:Name="Input"/>
            <Button Grid.Column="1" x:Name="Send" Content="send" Click="Button_Click"/>
        </Grid>
        <ListBox Grid.Row="1" x:Name="ItemsControl" ItemsSource="{Binding Items, ElementName=Self}">

        </ListBox>
        <!--<Button Content="Test" Click="Button_Click"/>-->
    </Grid>
</Page>