SLAM-Cross/Views/SelectKeyWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="SlamCross.Views.SelectKeyWindow"
        Title="Select Key" Width="300" Height="140"
        CanResize="False" WindowStartupLocation="CenterOwner">
    <StackPanel Margin="16" Spacing="10">
        <TextBlock Text="Press any key or type a bind name, then click OK."/>
        <TextBox x:Name="KeyBox" KeyDown="KeyBox_KeyDown" PlaceholderText="e.g. MOUSE4, F5, KP_INS"/>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Spacing="8">
            <Button Content="OK"     Click="OK_Click"/>
            <Button Content="Cancel" Click="Cancel_Click"/>
        </StackPanel>
    </StackPanel>
</Window>