Lego.Ev3.WPF example

MainWindow.xaml

<Window x:Class="Lego.Ev3.WPF.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:Lego.Ev3.WPF"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525"
        Loaded="MainWindow_Loaded">

    <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
        <TextBlock x:Name="myStatus" HorizontalAlignment="Left" Margin="18,0,0,0" TextWrapping="Wrap" Text="Wait for beep" VerticalAlignment="Top"/>
        <Button ClickMode="Press" Click="Start_Program" Content="Start Program" Width="150" HorizontalAlignment="Left" Margin="171,275,0,0" VerticalAlignment="Top" />
    </Grid>
</Window>

MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

using Lego.Ev3.Core;
using Lego.Ev3.Desktop;

namespace Lego.Ev3.WPF
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        Brick _brick;
        bool _not_connected = true;

        public MainWindow()
        {
            InitializeComponent();
        }

        private async void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("MainWindow Loaded!");

            try
            {
                _brick = new Brick(new UsbCommunication());

                // _brick = new Brick(new DummyCommunication());
                // _brick = new Brick(new BluetoothCommunication("COM5"));
                // _brick = new Brick(new NetworkCommunication("192.168.2.237"));

                _brick.BrickChanged += _brick_BrickChanged;

                await _brick.ConnectAsync(); _not_connected = false;
                await _brick.DirectCommand.PlayToneAsync(100, 1000, 300);
                await _brick.DirectCommand.SetMotorPolarityAsync(OutputPort.B | OutputPort.C, Polarity.Backward);
                await _brick.DirectCommand.StopMotorAsync(OutputPort.All, false);
                System.Diagnostics.Debug.WriteLine("Loop check");

                // System.Diagnostics.Debug.WriteLine("Turn Motor");
                // await _brick.DirectCommand.TurnMotorAtSpeedForTimeAsync(OutputPort.B, 0x50, 500, false);   
            }
            catch (System.Exception ex) // (Exception ex)
            {
                // MessageBox.Show("Could not connect", "Error", MessageBoxButton.OK);
                // myStatus.Text = "Could not connect";
                System.Diagnostics.Debug.WriteLine(ex.Message);
            }
        }

        private void _brick_BrickChanged(object sender, BrickChangedEventArgs e)
        {
            System.Console.WriteLine(e.Ports[InputPort.One].SIValue);

            // myStatus.Text = e.Ports[InputPort.Four].SIValue.ToString();
            // System.Diagnostics.Debug.WriteLine("Brick Changed!");
        }

        private async void Start_Program(object sender, RoutedEventArgs e)  
        {
            if (_not_connected) { return; };

            await _brick.DirectCommand.StartProgramAsync("../prjs/Barn_Door_Tracker/Program-01.rbf");
            System.Diagnostics.Debug.WriteLine("Start program!");
        }
    }
}