MainWindow.xaml

<Window x:Class="WindowOnTop.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WindowOnTop"
        mc:Ignorable="d"
        Title="Always On Top" Height="117.012" Width="272.041" Icon="Properties/ontop.ico" PreviewKeyDown="Window_PreviewKeyDown" ResizeMode="CanMinimize" WindowState="Minimized">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Label x:Name="textBox" Height="33" VerticalAlignment="Top" Margin="0,10,61,0"/>
        <Button x:Name="btnDeactivate" Content="Deactivate" Margin="90,0,0,10" Click="btnDeactivate_Click" IsEnabled="False" Height="20" VerticalAlignment="Bottom" HorizontalAlignment="Left" Width="75"/>
        <Button x:Name="btnActivate" Content="Activate" HorizontalAlignment="Left" Margin="10,0,0,10" Width="75" Click="btnActivate_Click" Height="20" VerticalAlignment="Bottom"/>
        <Button x:Name="btnSetHotkey" Content="Save" Margin="0,17,10,0" VerticalAlignment="Top" Click="btnSetHotkey_Click" HorizontalAlignment="Right" Width="46"/>

    </Grid>
</Window>