MainWindow.xaml

<Window x:Class="ha4win.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:ha4win"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="70*"/>
            <RowDefinition Height="280*"/>
            <RowDefinition Height="69*"/>
        </Grid.RowDefinitions>



        <Grid Grid.Row="2">
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition/>
                <ColumnDefinition/>
                <ColumnDefinition/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <Button Grid.Column="0" Click="button_Click" Name="Open"  Content="Folder"></Button>
            <Button Grid.Column="1" Click="button_Click" Name="Start" Content="Start"></Button>
            <Button Grid.Column="2" Click="button_Click" Name="Stop"  Content="Stop" IsEnabled="False"></Button>
            <Button Grid.Column="3" Click="button_Click" Name="Test"  Content="Test" IsEnabled="False"></Button>
            <Button Grid.Column="4" Click="button_Click" Name="Exit"  Content="Exit"></Button>
        </Grid>
    </Grid>
</Window>