MainWindow.xaml

<?xml version="1.0" encoding="utf-8"?>
<Window
    x:Class="SolresolConverterApp.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:SolresolConverterApp"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
            <TextBox x:Name="sorsoIn" IsSpellCheckEnabled="False" MaxWidth="250" TextWrapping="Wrap" AcceptsReturn="True" PlaceholderText="Enter Solresol text..."></TextBox>
            <ComboBox x:Name="sorsoInFormat"></ComboBox>
            <TextBox x:Name="sorsoOut" MaxWidth="250" TextWrapping="Wrap" IsReadOnly="True" PlaceholderText="Text output appears here."></TextBox>
            <ComboBox x:Name="sorsoOutFormat" SelectionChanged="sorsoOutFormat_SelectionChanged"></ComboBox>
        </StackPanel>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center">
            <Button x:Name="convertButton" Content="Convert" Click="convertButton_Click"></Button>
            <Button x:Name="clearButton" Content="Clear" Click="clearButton_Click"></Button>
        </StackPanel>
        <TextBox HorizontalAlignment="Right" x:Name="compoundWordsBox" IsSpellCheckEnabled="False" MaxWidth="250" TextWrapping="Wrap" AcceptsReturn="False" PlaceholderText="OPTIONAL: Compound words separated by ';' (e.g., doremi fasollasi;midore silafa;silafa mire doremi)"></TextBox>
    </StackPanel>
</Window>