Rework updating process a bit

Update README and AboutWindow
Update Über page
2026-08-12 15:01:59 +02:00 · 2026-08-12 14:45:58 +02:00 · 2026-08-12 11:38:09 +02:00 · 2026-08-12 11:37:07 +02:00 · 2026-08-12 11:24:14 +02:00 · 2026-08-11 14:50:41 +02:00
19 changed files with 843 additions and 125 deletions
@@ -1,3 +1,7 @@

 [plc]
 port = COM1
+
+[update]
+url = https://elwig.at/files/pamhagen-sysctrl/latest
+auto = true
@@ -1,3 +1,4 @@
+using PamhagenSysCtrl.Dialogs;
 using PamhagenSysCtrl.Helpers;
 using System.IO;
 using System.Reflection;
@@ -10,6 +11,8 @@ namespace PamhagenSysCtrl {
        public static PamhagenPlant? Plant;
        public static Dispatcher? MainDispatcher;

+        private readonly DispatcherTimer AutoUpdateTimer = new() { Interval = TimeSpan.FromHours(1) };
+
        public static readonly string DataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Anlagensteuerung Pamhagen");
        public static readonly string ConfigPath = Path.Combine(DataPath, "config.ini");
        public static readonly string InstallPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "Anlagensteuerung Pamhagen");
@@ -45,6 +48,51 @@ namespace PamhagenSysCtrl {
            }

            base.OnStartup(evt);
+
+            if (Config.UpdateUrl != null && Config.UpdateAuto) {
+                AutoUpdateTimer.Tick += async (_, _) => {
+                    try {
+                        await CheckForUpdates();
+                    } catch { }
+                };
+                AutoUpdateTimer.Start();
+                await Dispatcher.BeginInvoke(async () => {
+                    await Task.Delay(1500);
+                    try {
+                        await CheckForUpdates();
+                    } catch { }
+                });
+            }
+        }
+
+        public static async Task CheckForUpdates(bool showResult = false) {
+            if (Config.UpdateUrl == null) return;
+
+            try {
+                var latest = await UpdateService.GetLatestInstallerUrl(Config.UpdateUrl);
+                if (latest.HasValue && new Version(latest.Value.Version) > Version) {
+                    var dialog = new UpdateDialog(latest.Value.Version, latest.Value.Url, latest.Value.Size) {
+                        Owner = Current.MainWindow,
+                    };
+                    if (dialog.ShowDialog() == true) {
+                        Current.Shutdown();
+                    }
+                } else if (showResult) {
+                    MessageBox.Show($"Die Anlagensteuerung ist auf dem aktuellen Stand.\n(Version {Version})", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+            } catch (OperationCanceledException) {
+                if (showResult) {
+                    MessageBox.Show("Zeitüberschreitung beim Abrufen der Update-Informationen.", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    throw;
+                }
+            } catch (Exception exc) {
+                if (showResult) {
+                    MessageBox.Show($"Die Update-Informationen konnten nicht abgerufen werden:\n\n{exc.Message}", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    throw;
+                }
+            }
        }

        protected async void Application_Exit(object sender, ExitEventArgs evt) {
@@ -0,0 +1,37 @@
+<Window x:Class="PamhagenSysCtrl.Dialogs.UpdateDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        ResizeMode="NoResize" ShowInTaskbar="False" Topmost="True"
+        WindowStartupLocation="CenterOwner"
+        Title="Update verfügbar - Anlagensteuerung Pamhagen"
+        Height="220" Width="480"
+        Closed="OnClosed">
+    <Grid Margin="20">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <TextBlock x:Name="Description" FontSize="14" TextAlignment="Center"
+                   HorizontalAlignment="Center" VerticalAlignment="Center">
+            Version <Run x:Name="VersionText" FontWeight="Bold">0.0.0</Run> ist verfügbar.<LineBreak/>
+            Soll das Update heruntergeladen und installiert werden?<LineBreak/>
+            (ca. <Run x:Name="SizeText">0</Run> MB)<LineBreak/><LineBreak/>
+            <Run FontWeight="Bold">Hinweis:</Run> Die Anlagensteuerung wird für die Installation geschlossen.
+        </TextBlock>
+
+        <StackPanel x:Name="DownloadPanel" Grid.Row="0" VerticalAlignment="Center" Visibility="Collapsed">
+            <TextBlock x:Name="StatusText" Text="Update wird heruntergeladen..."
+                       FontSize="14" TextAlignment="Center" Margin="0,0,0,10"/>
+            <ProgressBar x:Name="DownloadProgress" Height="24" Minimum="0" Maximum="100"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,18,0,0">
+            <Button x:Name="InstallButton" Content="Installieren" IsDefault="True"
+                    Width="110" Height="30" Margin="0,0,12,0" Click="InstallButton_Click"/>
+            <Button x:Name="CancelButton" Content="Abbrechen" IsCancel="True"
+                    Width="110" Height="30"/>
+        </StackPanel>
+    </Grid>
+</Window>
@@ -0,0 +1,45 @@
+using PamhagenSysCtrl.Helpers;
+using System.IO;
+using System.Windows;
+
+namespace PamhagenSysCtrl.Dialogs {
+    public partial class UpdateDialog : Window {
+
+        private readonly string Url;
+        private readonly CancellationTokenSource Cancellation = new();
+
+        public UpdateDialog(string version, string url, long size) {
+            Url = url;
+            InitializeComponent();
+            VersionText.Text = version;
+            SizeText.Text = Math.Ceiling(size / 1024d / 1024d).ToString("N0");
+        }
+
+        private void OnClosed(object? sender, EventArgs evt) {
+            Cancellation.Cancel();
+            Cancellation.Dispose();
+        }
+
+        private async void InstallButton_Click(object sender, RoutedEventArgs evt) {
+            Description.Visibility = Visibility.Collapsed;
+            DownloadPanel.Visibility = Visibility.Visible;
+            InstallButton.IsEnabled = false;
+
+            try {
+                var progress = new Progress<double>(value => DownloadProgress.Value = value * 100);
+                var filename = Path.Combine(App.TempPath, $"PamhagenSysCtrl-{VersionText.Text}.msi");
+                await UpdateService.DownloadInstaller(Url, filename, progress, Cancellation.Token);
+                StatusText.Text = "Installer wird gestartet...";
+                UpdateService.StartInstaller(filename);
+                DialogResult = true;
+            } catch (OperationCanceledException) {
+                // Closing the dialog cancels an active download.
+            } catch (Exception exc) {
+                MessageBox.Show($"Das Update konnte nicht installiert werden:\n\n{exc.Message}", "Update installieren", MessageBoxButton.OK, MessageBoxImage.Error);
+                Description.Visibility = Visibility.Visible;
+                DownloadPanel.Visibility = Visibility.Collapsed;
+                InstallButton.IsEnabled = true;
+            }
+        }
+    }
+}
@@ -9,6 +9,8 @@ namespace PamhagenSysCtrl.Helpers {
        private readonly string FileName;

        public string PlcPort = "COM1";
+        public string? UpdateUrl;
+        public bool UpdateAuto;

        public Config(string filename) {
            FileName = filename;
@@ -19,6 +21,8 @@ namespace PamhagenSysCtrl.Helpers {
            try {
                var config = new ConfigurationBuilder().AddIniFile(FileName).Build();
                PlcPort = config["plc:port"] ?? "COM1";
+                UpdateUrl = config["update:url"];
+                UpdateAuto = TrueValues.Contains(config["update:auto"]?.ToLower());
            } catch (Exception exc) {
                MessageBox.Show($"Die Konfigurationsdatei konnte nicht gelesen werden:\n\n{exc.Message}", "Konfigurationsdatei lesen", MessageBoxButton.OK, MessageBoxImage.Error);
                Application.Current.Shutdown();
@@ -18,6 +18,17 @@ namespace PamhagenSysCtrl.Helpers {
        public readonly Pump P6;
        public readonly EncasedAuger Auger1;
        public readonly EncasedAuger Auger3;
+        public readonly Press Press1;
+        public readonly Press Press2;
+        public readonly Tank Tank1;
+        public readonly Tank Tank2;
+        public readonly Tank Tank3;
+        public readonly Tank Tank4;
+        public readonly Tank Tank5;
+        public readonly Tank Tank6;
+        public readonly Tank Tank7;
+        public readonly Tank Tank8;
+        public readonly Tank Tank9;

        public PamhagenGraph() {
            double mw2X = 180;
@@ -76,19 +87,19 @@ namespace PamhagenSysCtrl.Helpers {
            CreatePipe(MP1, x1);
            CreatePipe(MP2, x2);

-            var v1 = CreateValve(1, mw1X, mpY + 70);
-            var v2 = CreateValve(2, mw2X, mpY + 70);
-            var v3 = CreateValve(3, mw2X + 30, mpY + 70);
-            var v4 = CreateValve(4, mw1X - 30, mpY + 70);
+            var v1 = CreateValve(1, mw1X, mpY + 80);
+            var v2 = CreateValve(2, mw2X, mpY + 80);
+            var v3 = CreateValve(3, mw2X + 30, mpY + 80);
+            var v4 = CreateValve(4, mw1X - 30, mpY + 80);

            CreatePipe(x1, v1);
            CreatePipe(x1, v4);
            CreatePipe(x2, v2);
            CreatePipe(x2, v3);

-            var x3 = new PipeJoin(mw1X, mpY + 100);
+            var x3 = new PipeJoin(mw1X, ltg1Y);
            var x4 = new PipeJoin(x1X, ltg1Y);
-            var x5 = new PipeJoin(mw2X, mpY + 130);
+            var x5 = new PipeJoin(mw1X - 30, ltg2Y);
            var x6 = new PipeJoin(x1X - 30, ltg2Y);

            CreatePipe(v1, x3, true);
@@ -180,37 +191,37 @@ namespace PamhagenSysCtrl.Helpers {
            var xv23 = new PipeJoin(t1X + 15, ltg6Y);
            var v22 = CreateValve(22, t1X - 15, tValveY);
            var v23 = CreateValve(23, t1X + 15, tValveY);
-            var t1 = CreateTank(1, t1X, tanksY, 35000);
+            Tank1 = CreateTank(1, t1X, tanksY, 35000);
            CreatePipe(xv20, xv22, true, label: "Ltg. 7", labelOffsetX: 50);
            CreatePipe(xv21, xv23, true, label: "Ltg. 6", labelOffsetX: 20);
            CreatePipe(xv22, v22);
            CreatePipe(xv23, v23);
-            CreateInlet(v22, t1);
-            CreateInlet(v23, t1);
+            CreateInlet(v22, Tank1);
+            CreateInlet(v23, Tank1);

            var xv24 = new PipeJoin(t2X - 15, ltg7Y);
            var xv25 = new PipeJoin(t2X + 15, ltg6Y);
            var v24 = CreateValve(24, t2X - 15, tValveY);
            var v25 = CreateValve(25, t2X + 15, tValveY);
-            var t2 = CreateTank(2, t2X, tanksY, 35000);
+            Tank2 = CreateTank(2, t2X, tanksY, 35000);
            CreatePipe(xv22, xv24);
            CreatePipe(xv23, xv25);
            CreatePipe(xv24, v24);
            CreatePipe(xv25, v25);
-            CreateInlet(v24, t2);
-            CreateInlet(v25, t2);
+            CreateInlet(v24, Tank2);
+            CreateInlet(v25, Tank2);

            var xv26 = new PipeJoin(t3X - 15, ltg7Y);
            var xv27 = new PipeJoin(t3X + 15, ltg6Y);
            var v26 = CreateValve(26, t3X - 15, tValveY);
            var v27 = CreateValve(27, t3X + 15, tValveY);
-            var t3 = CreateTank(3, t3X, tanksY, 35000);
+            Tank3 = CreateTank(3, t3X, tanksY, 35000);
            CreatePipe(xv24, xv26);
            CreatePipe(xv25, xv27);
            CreatePipe(xv26, v26);
            CreatePipe(xv27, v27);
-            CreateInlet(v26, t3);
-            CreateInlet(v27, t3);
+            CreateInlet(v26, Tank3);
+            CreateInlet(v27, Tank3);

            var v28 = CreateValve(28, (t3X + t4X) / 2, ltg7Y);
            var v29 = CreateValve(29, (t3X + t4X) / 2, ltg6Y);
@@ -221,25 +232,25 @@ namespace PamhagenSysCtrl.Helpers {
            var xv31 = new PipeJoin(t4X + 15, ltg6Y);
            var v30 = CreateValve(30, t4X - 15, tValveY);
            var v31 = CreateValve(31, t4X + 15, tValveY);
-            var t4 = CreateTank(4, t4X, tanksY, 35000);
+            Tank4 = CreateTank(4, t4X, tanksY, 35000);
            CreatePipe(v28, xv30);
            CreatePipe(v29, xv31);
            CreatePipe(xv30, v30);
            CreatePipe(xv31, v31);
-            CreateInlet(v30, t4);
-            CreateInlet(v31, t4);
+            CreateInlet(v30, Tank4);
+            CreateInlet(v31, Tank4);

            var xv32 = new PipeJoin(t5X - 15, ltg7Y);
            var xv33 = new PipeJoin(t5X + 15, ltg6Y);
            var v32 = CreateValve(32, t5X - 15, tValveY);
            var v33 = CreateValve(33, t5X + 15, tValveY);
-            var t5 = CreateTank(5, t5X, tanksY, 35000);
+            Tank5 = CreateTank(5, t5X, tanksY, 35000);
            CreatePipe(xv30, xv32, label: "Ltg. 7", labelOffsetX: 30);
            CreatePipe(xv31, xv33, label: "Ltg. 6", labelOffsetX: 0);
            CreatePipe(xv32, v32);
            CreatePipe(xv33, v33);
-            CreateInlet(v32, t5);
-            CreateInlet(v33, t5);
+            CreateInlet(v32, Tank5);
+            CreateInlet(v33, Tank5);

            var v34 = CreateValve(34, (t5X + t6X) / 2, ltg7Y);
            var v35 = CreateValve(35, (t5X + t6X) / 2, ltg6Y);
@@ -250,58 +261,58 @@ namespace PamhagenSysCtrl.Helpers {
            var xv37 = new PipeJoin(t6X - 15, ltg7Y);
            var v36 = CreateValve(36, t6X + 15, tValveY);
            var v37 = CreateValve(37, t6X - 15, tValveY);
-            var t6 = CreateTank(6, t6X, tanksY, 35000);
+            Tank6 = CreateTank(6, t6X, tanksY, 35000);
            CreatePipe(v34, xv37);
            CreatePipe(v35, xv36);
            CreatePipe(xv37, v37);
            CreatePipe(xv36, v36);
-            CreateInlet(v36, t6);
-            CreateInlet(v37, t6);
+            CreateInlet(v36, Tank6);
+            CreateInlet(v37, Tank6);

            var xv38 = new PipeJoin(t7X + 15, ltg6Y);
            var xv39 = new PipeJoin(t7X - 15, ltg7Y);
            var v38 = CreateValve(38, t7X + 15, tValveY);
            var v39 = CreateValve(39, t7X - 15, tValveY);
-            var t7 = CreateTank(7, t7X, tanksY, 35000);
+            Tank7 = CreateTank(7, t7X, tanksY, 35000);
            CreatePipe(xv37, xv39);
            CreatePipe(xv36, xv38);
            CreatePipe(xv38, v38);
            CreatePipe(xv39, v39);
-            CreateInlet(v38, t7);
-            CreateInlet(v39, t7);
+            CreateInlet(v38, Tank7);
+            CreateInlet(v39, Tank7);

            var xv40 = new PipeJoin(t8X + 15, ltg6Y);
            var xv41 = new PipeJoin(t8X - 15, ltg7Y);
            var v40 = CreateValve(40, t8X + 15, tValveY);
            var v41 = CreateValve(41, t8X - 15, tValveY);
-            var t8 = CreateTank(8, t8X, tanksY, 35000);
+            Tank8 = CreateTank(8, t8X, tanksY, 35000);
            CreatePipe(xv38, xv40, label: "Ltg. 6", labelOffsetX: 0);
            CreatePipe(xv39, xv41, label: "Ltg. 7", labelOffsetX: 30);
            CreatePipe(xv40, v40);
            CreatePipe(xv41, v41);
-            CreateInlet(v40, t8);
-            CreateInlet(v41, t8);
+            CreateInlet(v40, Tank8);
+            CreateInlet(v41, Tank8);

            var v42 = CreateValve(42, t9X + 15, tValveY);
            var v43 = CreateValve(43, t9X - 15, tValveY);
-            var t9 = CreateTank(9, t9X, tanksY, 35000);
+            Tank9 = CreateTank(9, t9X, tanksY, 35000);
            CreatePipe(xv40, v42);
            CreatePipe(xv41, v43);
-            CreateInlet(v42, t9);
-            CreateInlet(v43, t9);
+            CreateInlet(v42, Tank9);
+            CreateInlet(v43, Tank9);

            var xp12 = new PipeJoin((t1X + t2X) / 2, tanksY + 80);
            P12 = new Pump("P1/2", (t1X + t2X) / 2, tanksY + 110, () => App.Plant?.P12 ?? default, () => App.Plant?.P12HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            CreateOutlet(t1, xp12);
-            CreateOutlet(t2, xp12);
+            CreateOutlet(Tank1, xp12);
+            CreateOutlet(Tank2, xp12);
            CreatePipe(xp12, P12);

            P3 = new Pump("P3", t3X, tanksY + 110, () => App.Plant?.P3 ?? default, () => App.Plant?.P3HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
            P4 = new Pump("P4", t4X, tanksY + 110, () => App.Plant?.P4 ?? default, () => App.Plant?.P4HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
            P5 = new Pump("P5", t5X, tanksY + 110, () => App.Plant?.P5 ?? default, () => App.Plant?.P5HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            CreateOutlet(t3, P3);
-            CreateOutlet(t4, P4);
-            CreateOutlet(t5, P5);
+            CreateOutlet(Tank3, P3);
+            CreateOutlet(Tank4, P4);
+            CreateOutlet(Tank5, P5);

            var v44 = CreateValve(44, (t1X + t2X) / 2, tanksY + 150);
            var v45 = CreateValve(45, t3X, tanksY + 150);
@@ -329,10 +340,10 @@ namespace PamhagenSysCtrl.Helpers {
            var xt7 = new PipeJoin(t7X, tanksY + 110);
            var xt8 = new PipeJoin(t8X, tanksY + 110);
            P6 = new Pump("P6", t6X, tanksY + 150, () => App.Plant?.P6 ?? default, () => App.Plant?.P6HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            CreateOutlet(t6, xt6);
-            CreateOutlet(t7, xt7);
-            CreateOutlet(t8, xt8);
-            CreateOutlet(t9, xt8);
+            CreateOutlet(Tank6, xt6);
+            CreateOutlet(Tank7, xt7);
+            CreateOutlet(Tank8, xt8);
+            CreateOutlet(Tank9, xt8);
            CreatePipe(xt8, xt7);
            CreatePipe(xt7, xt6);
            CreatePipe(xt6, P6);
@@ -343,8 +354,8 @@ namespace PamhagenSysCtrl.Helpers {
            var prX = (pr1X + pr2X) / 2;
            var pr1cX = prX - 15;
            var pr2cX = prX + 15;
-            var press1 = new Press("Presse 1", pr1X, prY, 20000, () => FillState.Unknown);
-            var press2 = new Press("Presse 2", pr2X, prY, 15000, () => FillState.Unknown);
+            Press1 = new Press("Presse 1", pr1X, prY, 20000, () => FillState.Unknown);
+            Press2 = new Press("Presse 2", pr2X, prY, 15000, () => FillState.Unknown);
            var v50 = CreateValve(50, pr2cX + 30, 580);
            var v51 = CreateValve(51, pr1cX - 30, 580);
            var v52 = CreateValve(52, pr1cX - 30, 610);
@@ -390,8 +401,8 @@ namespace PamhagenSysCtrl.Helpers {
            var zv2 = new CenterValve("ZV2", pr2cX, prY - 40, () => App.Plant?.Press2HasClearance ?? false);
            CreatePipe(xp6, zv1, true);
            CreatePipe(xp8, zv2, true);
-            CreateInlet(zv1, press1, true);
-            CreateInlet(zv2, press2, true);
+            CreateInlet(zv1, Press1, true);
+            CreateInlet(zv2, Press2, true);
        }

        protected Valve CreateValve(int n, double x, double y) {
@@ -402,6 +413,23 @@ namespace PamhagenSysCtrl.Helpers {
            return new($"Tank {n}", x, y, capacity, () => App.Plant?.TankFillLevels[n - 1] ?? FillState.Unknown);
        }

+        private int PathCost(Path p) {
+            return
+                1000 * p.Hops.Count(h => h.Node is Valve) +
+                (p.Hops.Any(h => h.Node is Valve v && v.Nr == 15) && !p.Hops.Any(h => h.Node is Valve v && (v.Nr == 16 || v.Nr == 20)) ? 10 : 0) +
+                (p.Hops.Any(h => h.Node is Valve v && v.Nr == 11) && !p.Hops.Any(h => h.Node is Valve v && (v.Nr == 14 || v.Nr == 21)) ? 10 : 0) +
+                (p.Hops.Any(h => h.Node is Valve v && v.Nr == 6) ? 10 : 0) +
+                p.Bends;
+        }
+
+        public Path? GetFreePath(IEnumerable<INode> points, bool overrideStart = false) {
+            if (overrideStart) {
+                return GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.LockedForPaths.Any(p => p.Start != points.First())), PathCost);
+            } else {
+                return GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.IsLocked), PathCost);
+            }
+        }
+
        public void TraverseSubgraph(INode start, Func<INode, bool> invalid, HashSet<IEdge>? _visited = null, Action<INode, bool, IEdge>? edgeAction = null, Action<Valve>? valveAction = null, bool reverse = false) {
            var visited = _visited ?? [];
            if (start is Valve v) {
@@ -455,7 +483,11 @@ namespace PamhagenSysCtrl.Helpers {
        private void UpdateValvesAdjacientToPath(Path path, bool locked, bool? wantOpen = null) {
            foreach (var (edge, node) in path.Hops) {
                TraverseSubgraph(node, (n) => n is Valve || n is ISink || n is Pump, valveAction: (v) => {
-                    v.IsLocked = locked;
+                    if (locked) {
+                        v.LockedForPaths.Add(path);
+                    } else {
+                        v.LockedForPaths.Remove(path);
+                    }
                    if (wantOpen.HasValue) {
                        if (wantOpen.Value) {
                            App.Plant?.OpenV(v.Nr);
@@ -30,7 +30,7 @@ namespace PamhagenSysCtrl.Helpers {
        public bool AreValvesClosed(params int[] ns) => ns.All(IsValveClosed) && ns.All(WantValveClosed);

        public int TroughSelector => Sensors.TroughSelector;
-        public bool IsMWSelected => Sensors.TroughSelector == 1;
+        public bool IsMW1Selected => Sensors.TroughSelector == 1;
        public bool IsMW2Selected => Sensors.TroughSelector == 2;
        public FillState FillLevelMW1 => Sensors.FillingLevelMW1;
        public FillState FillLevelMW2 => Sensors.FillingLevelMW2;
@@ -54,6 +54,7 @@ namespace PamhagenSysCtrl.Helpers {
        public bool WantMW2Selected => !Actuators.GetV(58);

        public bool IsTroughAugerActive => Actuators.TroughAuger;
+        public bool TroughAugerHasClearance => IsReblerActive && !(IsMW1Selected && FillLevelMW1 == FillState.Full) && !(IsMW2Selected && FillLevelMW2 == FillState.Full);
        public bool IsReblerActive => Actuators.Rebler;
        public bool IsStirrerMW1Active => Actuators.StirrerMW1;
        public bool IsStirrerMW2Active => Actuators.StirrerMW2;
@@ -88,7 +89,7 @@ namespace PamhagenSysCtrl.Helpers {
                if (p.IsReblerActive && !p.IsAuger1Active) p.StartAuger1();
                if (p.IsAuger1Active && !p.IsAuger2Active) p.StartAuger2();
                if (p.IsAuger2Active && !p.IsAuger3Active) p.StartAuger3();
-                if (p.IsTroughAugerActive && (!p.IsReblerActive || (p.IsMWSelected && p.FillLevelMW1 == FillState.Full) || (p.IsMW2Selected && p.FillLevelMW2 == FillState.Full)))
+                if (p.IsTroughAugerActive && !p.TroughAugerHasClearance)
                    p.StopTroughAuger();
            }

@@ -410,7 +411,7 @@ namespace PamhagenSysCtrl.Helpers {
        }

        public void StartTroughAuger() {
-            if (!ManualControlMode && (!IsReblerActive || (IsMWSelected && FillLevelMW1 == FillState.Full) || (IsMW2Selected && FillLevelMW2 == FillState.Full)))
+            if (!ManualControlMode && !TroughAugerHasClearance)
                throw new NoClearanceException("Schnecke Auffangwanne hat keine Freigabe");
            Actuators.TroughAuger = true;
            ActuatorsChanged = true;
@@ -43,31 +43,28 @@ namespace PamhagenSysCtrl.Helpers {
            GC.SuppressFinalize(this);
        }

-        protected static FillState Int3ToFillState(int n) {
-            return n switch {
-                7 => FillState.Full,
-                6 => FillState.Half,
-                4 => FillState.Filled,
-                0 => FillState.Empty,
-                _ => FillState.Invalid,
-            };
+        protected static FillState Int3ToFillState(int n, bool bigEndian = true) {
+            return
+                (bigEndian && (n & 0x4) != 0) || (!bigEndian  && (n & 0x1) != 0) ? FillState.Full :
+                (bigEndian && (n & 0x2) != 0) || (!bigEndian  && (n & 0x2) != 0) ? FillState.Half :
+                (bigEndian && (n & 0x1) != 0) || (!bigEndian  && (n & 0x4) != 0) ? FillState.Filled :
+                n == 0 ? FillState.Empty :
+                FillState.Invalid;
        }

-        protected static FillState Int2ToFillState(int n) {
-            return n switch {
-                2 => FillState.Full,
-                0 => FillState.Filled,
-                1 => FillState.Empty,
-                _ => FillState.Invalid,
-            };
+        protected static FillState Int2ToFillState(int n, bool bigEndian = true) {
+            return
+                (bigEndian && (n & 0x2) != 0) || (!bigEndian  && (n & 0x1) != 0) ? FillState.Full :
+                (bigEndian && (n & 0x1) != 0) || (!bigEndian  && (n & 0x2) != 0) ? FillState.Filled :
+                n == 0 ? FillState.Empty :
+                FillState.Invalid;
        }

        protected static FillState Int1ToFillState(int n) {
-            return n switch {
-                1 => FillState.Full,
-                0 => FillState.Unknown,
-                _ => FillState.Invalid,
-            };
+            return
+                n == 1 ? FillState.Full :
+                n == 0 ? FillState.Unknown :
+                FillState.Invalid;
        }

        protected static MotorState Int2ToPumpState(int n, bool inverse) {
@@ -110,8 +107,8 @@ namespace PamhagenSysCtrl.Helpers {
            long pressure = (long)r1 | ((long)r2 << 16) | ((long)r3 << 32) | ((long)r4 << 48);
            pressure = (pressure & 0x01FFFFFFFFFFFFFF) | ((pressure & 0x0600000000000000) << 1);

-            var mw1 = Int3ToFillState((f1      ) & 0x7);  // 111 011 001 000
-            var mw2 = Int3ToFillState((f1 >>  3) & 0x7);  // 111 011 001 000
+            var mw1 = Int3ToFillState((f1      ) & 0x7, false);  // 111 011 001 000
+            var mw2 = Int3ToFillState((f1 >>  3) & 0x7, false);  // 111 011 001 000
            var p1  =                ((f1 >>  6) & 0x1) == 0;  // 1 0
            var p2  =                ((f1 >>  7) & 0x1) == 0;  // 1 0
            var wp  =                ((f1 >>  8) & 0x3);  // 10 01
@@ -129,11 +126,11 @@ namespace PamhagenSysCtrl.Helpers {
            //  -> factor: 0,03125 + (offset) 25 Oe
            double oe = v * 0.03125 + 25;

-            var t1 = Int2ToFillState((f2      ) & 0x3);  // 10 01 00
-            var t2 = Int2ToFillState((f2 >>  2) & 0x3);  // 10 01 00
-            var t3 = Int2ToFillState((f2 >>  4) & 0x3);  // 10 01 00
-            var t4 = Int2ToFillState((f2 >>  6) & 0x3);  // 10 01 00
-            var t5 = Int2ToFillState((f2 >>  8) & 0x3);  // 10 01 00
+            var t1 = Int1ToFillState(((f2      ) & 0x3) >> 1);  // 1X 0X
+            var t2 = Int1ToFillState(((f2 >>  2) & 0x3) >> 1);  // 1X 0X
+            var t3 = Int1ToFillState(((f2 >>  4) & 0x3) >> 1);  // 1X 0X
+            var t4 = Int1ToFillState(((f2 >>  6) & 0x3) >> 1);  // 1X 0X
+            var t5 = Int1ToFillState(((f2 >>  8) & 0x3) >> 1);  // 1X 0X
            var t6 = Int1ToFillState((f2 >> 10) & 0x1);  // 1 0
            var t7 = Int1ToFillState((f2 >> 11) & 0x1);  // 1 0
            var t8 = Int1ToFillState((f2 >> 12) & 0x1);  // 1 0
@@ -54,46 +54,52 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
            return p;
        }

-        public Path? GetPath(IEnumerable<INode> points, Func<INode, bool>? valid = null) {
+        public Path? GetPath(IEnumerable<INode> points, Func<INode, bool>? valid = null, Func<Path, int>? cost = null) {
            if (points.Count() < 2) return null;
            var start = points.First();
-            var path = new Path(start, []);
+            List<Path> paths = [new(start, [])];
            foreach (var end in points.Skip(1)) {
-                if (valid != null && start != points.First() && !valid(start)) {
+                if (valid != null && start != points.First() && !valid(start))
                    return null;
-                } else if (GetPath(start, end, valid, visited: [.. path.Hops.Select(h => h.Node)]) is not Path p) {
-                    return null;
-                } else {
-                    path.Hops = [.. path.Hops, .. p.Hops];
-                    start = end;
+
+                var newPaths = new List<Path>();
+                foreach (var path in paths) {
+                    foreach (var subPath in GetPaths(start, end, visited: [.. path.Hops.Select(h => h.Node)], valid)) {
+                        newPaths.Add(new(path.Start, [.. path.Hops, .. subPath.Hops]));
+                    }
                }
+                if (newPaths.Count == 0)
+                    return null;
+
+                paths = newPaths;
+                start = end;
+            }
+            if (paths.Count == 0) {
+                return null;
+            } else {
+                cost ??= p => 0;
+                return paths.OrderBy(cost).First();
            }
-            return path;
        }

-        public Path? GetPath(INode start, INode end, Func<INode, bool>? valid = null, HashSet<INode>? visited = null) {
+        public IEnumerable<Path> GetPaths(INode start, INode end, HashSet<INode>? visited = null, Func<INode, bool>? valid = null) {
            if (!Nodes.Contains(start) || !Nodes.Contains(end)) throw new ArgumentException("Start/end node not contained in graph");
            valid ??= a => true;
            visited = [.. visited ?? [], start];
            List<(IEdge, INode)> hops = [];
-            Path? path = null;
            foreach (var o in start.Outputs) {
                var e = o.IsTwoWay && o.End == start ? o.Start : o.End;
                if (e == end) {
-                    return new(start, [(o, e)]);
+                    yield return new(start, [(o, e)]);
+                    continue;
                } else if (!valid(e) || visited.Contains(e)) {
                    continue;
                }

-                var p = GetPath(e, end, valid, visited);
-                if (p != null) {
-                    var p2 = new Path(start, [(o, e), .. p.Value.Hops]);
-                    if (path == null || p2.Bends < path.Value.Bends || (p2.Bends == path.Value.Bends && p2.Length < path.Value.Length)) {
-                        path = p2;
-                    }
+                foreach (var p in GetPaths(e, end, visited, valid)) {
+                    yield return new(start, [(o, e), .. p.Hops]);
                }
            }
-            return path != null ? new(start, path.Value.Hops) : null;
        }

        public void Draw(Canvas canvas) {
@@ -3,7 +3,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
            INode Start,
            IEnumerable<(IEdge Edge, INode Node)> Hops)
    {
-        public readonly double Bends => Hops.Sum(h => (h.Node is not Valve && h.Node is not PipeJoin ? 1 : 0) + (h.Edge.Start.CenterX != h.Edge.End.CenterX && h.Edge.Start.CenterY != h.Edge.End.CenterY ? 1 : 0));
+        public readonly int Bends => Hops.Sum(h => (h.Node is not Valve && h.Node is not PipeJoin ? 1 : 0) + (h.Edge.Start.CenterX != h.Edge.End.CenterX && h.Edge.Start.CenterY != h.Edge.End.CenterY ? 1 : 0));
        public readonly double Length => Hops.Sum(h => Math.Abs(h.Edge.Start.CenterX - h.Edge.End.CenterX) + Math.Abs(h.Edge.Start.CenterY - h.Edge.End.CenterY));
    }
 }
@@ -14,7 +14,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
        public string Label => $"V{Nr}";
        public Brush? Highlight { get; set; }

-        public bool IsLocked { get; set; }
+        public readonly ISet<Path> LockedForPaths = new HashSet<Path>();
+
+        public bool IsLocked => LockedForPaths.Any();
        public bool IsOpen => CallbackIsOpen();
        public bool WantOpen => CallbackWantOpen(this);
        public ISet<IEdge> Inputs { get; init; }
@@ -0,0 +1,77 @@
+using System.Diagnostics;
+using System.IO;
+using System.Net.Http;
+using System.Text.Json.Nodes;
+
+namespace PamhagenSysCtrl.Helpers {
+    public static class UpdateService {
+
+        public static async Task<(string Version, string Url, long Size)?> GetLatestInstallerUrl(string feedUrl) {
+            try {
+                using var client = new HttpClient() {
+                    Timeout = TimeSpan.FromSeconds(5),
+                };
+                client.DefaultRequestHeaders.UserAgent.Clear();
+                client.DefaultRequestHeaders.UserAgent.ParseAdd($"PamhagenSysCtrl/{App.Version} ({Environment.MachineName}, {Environment.OSVersion})");
+                client.DefaultRequestHeaders.Accept.Clear();
+                client.DefaultRequestHeaders.Accept.Add(new("application/json"));
+                using var res = await client.GetAsync(feedUrl);
+                if (!res.IsSuccessStatusCode)
+                    return null;
+
+                var json = JsonNode.Parse(await res.Content.ReadAsStringAsync());
+                var latest = json!["data"]!.AsArray()[^1]!;
+                return ((string)latest["version"]!, (string)latest["url"]!, (long)latest["size"]!);
+            } catch {
+                return null;
+            }
+        }
+
+        public static async Task DownloadInstaller(string url, string filename, IProgress<double>? progress = null, CancellationToken cancellationToken = default) {
+            try {
+                using var client = new HttpClient() {
+                    Timeout = TimeSpan.FromSeconds(5),
+                };
+                client.DefaultRequestHeaders.UserAgent.Clear();
+                client.DefaultRequestHeaders.UserAgent.ParseAdd($"PamhagenSysCtrl/{App.Version} ({Environment.MachineName}, {Environment.OSVersion})");
+                client.DefaultRequestHeaders.Accept.Clear();
+                using var response = await client.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
+                response.EnsureSuccessStatusCode();
+                var contentLength = response.Content.Headers.ContentLength;
+
+                await using (var destination = new FileStream(filename, FileMode.Create)) {
+                    await using var source = await response.Content.ReadAsStreamAsync(cancellationToken);
+                    var buffer = new byte[81920];
+                    long downloaded = 0;
+                    int read;
+                    while ((read = await source.ReadAsync(buffer, cancellationToken)) != 0) {
+                        await destination.WriteAsync(buffer.AsMemory(0, read), cancellationToken);
+                        downloaded += read;
+                        if (contentLength.HasValue) {
+                            progress?.Report((double)downloaded / contentLength.Value);
+                        }
+                    }
+                }
+
+                progress?.Report(1);
+            } catch {
+                File.Delete(filename);
+                throw;
+            }
+        }
+
+        public static void StartInstaller(string fileName) {
+            var startInfo = new ProcessStartInfo {
+                FileName = "msiexec.exe",
+                UseShellExecute = true,
+                Verb = "runas",
+            };
+            startInfo.ArgumentList.Add("/i");
+            startInfo.ArgumentList.Add(Path.GetFullPath(fileName));
+
+            if (Process.Start(startInfo) == null) {
+                throw new InvalidOperationException("Der Installer konnte nicht gestartet werden.");
+            }
+        }
+    }
+}
@@ -3,7 +3,7 @@
  <PropertyGroup>
    <OutputType>WinExe</OutputType>
    <TargetFramework>net10.0-windows</TargetFramework>
-    <Version>0.0.2</Version>
+    <Version>0.0.3</Version>
    <Product>Anlagensteuerung Pamhagen</Product>
    <AssemblyTitle>Anlagensteuerung Pamhagen</AssemblyTitle>
    <AssemblyName>PamhagenSysCtrl</AssemblyName>
@@ -0,0 +1,28 @@
+<Window x:Class="PamhagenSysCtrl.Windows.AboutWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Über - Anlagensteuerung Pamhagen"
+        Height="340" Width="560" ResizeMode="NoResize"
+        WindowStartupLocation="CenterOwner">
+    <Grid>
+        <TextBlock Margin="20,10" FontSize="12">
+            <Bold>Produkt:</Bold> Anlagensteuerung Pamhagen<LineBreak/>
+            <Bold>Beschreibung:</Bold> Schnittstelle zu einer SPS und grafische Benutzeroberfläche für die<LineBreak/>
+            <Bold Foreground="Transparent">Beschreibung:</Bold> Steuerung der Anlage<LineBreak/>
+            <Bold>Typ:</Bold> HMI- und SPS-Steuerungssoftware<LineBreak/>
+            <Bold>Version:</Bold> <Run x:Name="VersionText">0.0.0</Run><LineBreak/>
+            <Bold>Lizenz:</Bold> <Hyperlink NavigateUri="https://www.gnu.org/licenses/gpl-3.0.html" RequestNavigate="Hyperlink_RequestNavigate">GNU General Public License 3.0 (GPLv3)</Hyperlink><LineBreak/>
+            <Bold>Entwickler:</Bold> Lorenz Stechauner, Thomas Hilscher<LineBreak/>
+            <Bold>Kontakt:</Bold> <Hyperlink NavigateUri="mailto:lorenz.stechauner@necronda.net" RequestNavigate="Hyperlink_RequestNavigate">lorenz.stechauner@necronda.net</Hyperlink>, <Hyperlink NavigateUri="mailto:thomas.hilscher@gmail.com" RequestNavigate="Hyperlink_RequestNavigate">thomas.hilscher@gmail.com</Hyperlink><LineBreak/>
+            <Bold>Quellcode:</Bold> <Hyperlink NavigateUri="C:\Program Files\Anlagensteuerung Pamhagen\src" RequestNavigate="Hyperlink_RequestNavigate_Explorer">C:\Program Files\Anlagensteuerung Pamhagen\src</Hyperlink>,<LineBreak/>
+            <Bold Foreground="Transparent">Quellcode:</Bold> <Hyperlink NavigateUri="https://git.necronda.net/winzer/pamhagen-sysctrl" RequestNavigate="Hyperlink_RequestNavigate">https://git.necronda.net/winzer/pamhagen-sysctrl</Hyperlink><LineBreak/>
+            <Bold>Entwicklungszeitraum:</Bold> 2026<LineBreak/>
+            <LineBreak/>
+            <Bold>Verwendete Technologien:</Bold><LineBreak/>
+            Programmiersprache: C#<LineBreak/>
+            Framework: Windows Presentation Framework (WPF)<LineBreak/>
+            SPS-Schnittstelle: Serielle Verbindung<LineBreak/>
+            Paketierung: <Hyperlink NavigateUri="https://www.firegiant.com/wixtoolset/" RequestNavigate="Hyperlink_RequestNavigate">WiX Toolset</Hyperlink>
+        </TextBlock>
+    </Grid>
+</Window>
@@ -0,0 +1,25 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Navigation;
+
+namespace PamhagenSysCtrl.Windows {
+    public partial class AboutWindow : Window {
+
+        public AboutWindow() {
+            InitializeComponent();
+            VersionText.Text = App.Version.ToString();
+        }
+
+        private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs evt) {
+            try {
+                Process.Start(new ProcessStartInfo(evt.Uri.AbsoluteUri) { UseShellExecute = true });
+            } catch { }
+        }
+
+        private void Hyperlink_RequestNavigate_Explorer(object sender, RequestNavigateEventArgs evt) {
+            try {
+                Process.Start("explorer.exe", evt.Uri.AbsoluteUri);
+            } catch { }
+        }
+    }
+}
@@ -141,7 +141,7 @@ namespace PamhagenSysCtrl {
            Gradation °Oe: {plant.GradationOe:N2}
            Presse Querschnecke: {plant.PresseQuerSchnecke}
            Füllstände:
-              Maischewanne 1: {plant.FillLevelMW1} (ausgewählt: {plant.WantMW1Selected}, Status: {plant.IsMWSelected})
+              Maischewanne 1: {plant.FillLevelMW1} (ausgewählt: {plant.WantMW1Selected}, Status: {plant.IsMW1Selected})
              Maischewanne 2: {plant.FillLevelMW2} (ausgewählt: {plant.WantMW2Selected}, Status: {plant.IsMW2Selected})
              Presse 1: {plant.Press1HasClearance}
              Presse 2: {plant.Press2HasClearance}
@@ -45,11 +45,16 @@
                </MenuItem>
            </MenuItem>
            <MenuItem Header="Hilfe">
-                <MenuItem Header="Über">
+                <MenuItem Header="Über" Click="Menu_Help_About_Click">
                    <MenuItem.Icon>
                        <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE946;"/>
                    </MenuItem.Icon>
                </MenuItem>
+                <MenuItem x:Name="Menu_Help_CheckForUpdates" Header="Nach Updates suchen..." Click="Menu_Help_CheckForUpdates_Click">
+                    <MenuItem.Icon>
+                        <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE895;"/>
+                    </MenuItem.Icon>
+                </MenuItem>
            </MenuItem>
        </Menu>

@@ -57,11 +62,170 @@
            <Canvas x:Name="SchemeCanvas" Width="1550" Height="900" VerticalAlignment="Center" HorizontalAlignment="Center" SnapsToDevicePixels="True"
                    MouseMove="SchemeCanvas_MouseMove" MouseLeftButtonDown="SchemeCanvas_MouseLeftButtonDown" MouseLeftButtonUp="SchemeCanvas_MouseLeftButtonUp" Grid.ColumnSpan="2" Margin="25,0,0,0">
            </Canvas>
+
+            <Border Grid.Row="1" HorizontalAlignment="Right" VerticalAlignment="Bottom" Padding="10,10,20,20" Margin="0,0,-11,-11"
+                    Background="WhiteSmoke"
+                    BorderBrush="Gray" BorderThickness="1" CornerRadius="10">
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="160"/>
+                        <ColumnDefinition Width="5"/>
+                        <ColumnDefinition Width="160"/>
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                    </Grid.RowDefinitions>
+
+                    <Button x:Name="FastSelectButton_MW1_Press1" Grid.Column="0" Grid.Row="0"
+                            Content="MW1 &#x2B9E; Presse 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Press1" Grid.Column="2" Grid.Row="0"
+                            Content="MW2 &#x2B9E; Presse 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Press2" Grid.Column="0" Grid.Row="2"
+                            Content="MW1 &#x2B9E; Presse 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Press2" Grid.Column="2" Grid.Row="2"
+                            Content="MW2 &#x2B9E; Presse 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank1" Grid.Column="0" Grid.Row="4"
+                            Content="MW1 &#x2B9E; Tank 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank1" Grid.Column="2" Grid.Row="4"
+                            Content="MW2 &#x2B9E; Tank 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank2" Grid.Column="0" Grid.Row="6"
+                            Content="MW1 &#x2B9E; Tank 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank2" Grid.Column="2" Grid.Row="6"
+                            Content="MW2 &#x2B9E; Tank 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank3" Grid.Column="0" Grid.Row="8"
+                            Content="MW1 &#x2B9E; Tank 3" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank3" Grid.Column="2" Grid.Row="8"
+                            Content="MW2 &#x2B9E; Tank 3" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank4" Grid.Column="0" Grid.Row="10"
+                            Content="MW1 &#x2B9E; Tank 4" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank4" Grid.Column="2" Grid.Row="10"
+                            Content="MW2 &#x2B9E; Tank 4" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank5" Grid.Column="0" Grid.Row="12"
+                            Content="MW1 &#x2B9E; Tank 5" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank5" Grid.Column="2" Grid.Row="12"
+                            Content="MW2 &#x2B9E; Tank 5" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                </Grid>
+            </Border>
+
+            <Border HorizontalAlignment="Left" VerticalAlignment="Bottom" Padding="60,15,15,30" Margin="-11,0,0,-11"
+                    Background="WhiteSmoke"
+                    BorderBrush="Gray" BorderThickness="1" CornerRadius="10">
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="160"/>
+                        <ColumnDefinition Width="2.5"/>
+                        <ColumnDefinition Width="2.5"/>
+                        <ColumnDefinition Width="160"/>
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="60"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="80"/>
+                        <RowDefinition Height="80"/>
+                    </Grid.RowDefinitions>
+
+                    <Button x:Name="FastSelectButton_EntryTrough_Start" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan="2"
+                            FontSize="14" FontWeight="Bold"
+                            Click="FastSelectButton_EntryTroughStart_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center">Auffangwanne<LineBreak/><Run FontSize="18">Schnecke Start</Run></TextBlock>
+                    </Button>
+                    <Button x:Name="FastSelectButton_EntryTrough_Stop" Grid.Column="2" Grid.Row="0" Grid.ColumnSpan="2"
+                            FontSize="14" FontWeight="Bold"
+                            Click="FastSelectButton_EntryTroughStop_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center">Auffangwanne<LineBreak/><Run FontSize="18">Schnecke Stop</Run></TextBlock>
+                    </Button>
+
+
+                    <Button x:Name="FastSelectButton_MW2" Grid.Column="0" Grid.Row="2"
+                            Content="MW2   &#x2B9C;" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MW2_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW1" Grid.Column="3" Grid.Row="2"
+                            Content="&#x2B9E;   MW1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MW1_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MP2_Stop" Grid.Column="0" Grid.Row="4"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP2_Stop_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run FontSize="24">MP2</Run><LineBreak/>Stop</TextBlock>
+                    </Button>
+                    <Button x:Name="FastSelectButton_MP2_Forward" Grid.Column="0" Grid.Row="5"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP2_Forward_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run FontSize="24">MP2</Run><LineBreak/><Run x:Name="MP2_Target">Vor</Run></TextBlock>
+                    </Button>
+
+                    <Button x:Name="FastSelectButton_MP1_Stop" Grid.Column="3" Grid.Row="4"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP1_Stop_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run FontSize="24">MP1</Run><LineBreak/>Stop</TextBlock>
+                    </Button>
+                    <Button x:Name="FastSelectButton_MP1_Forward" Grid.Column="3" Grid.Row="5"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP1_Forward_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run FontSize="24">MP1</Run><LineBreak/><Run x:Name="MP1_Target">Vor</Run></TextBlock>
+                    </Button>
+                </Grid>
+            </Border>
        </Grid>

        <StatusBar Grid.Row="2" BorderThickness="0,1,0,0" BorderBrush="Gray">

        </StatusBar>
-
    </Grid>
 </Window>
@@ -2,7 +2,9 @@ using PamhagenSysCtrl.Helpers;
 using PamhagenSysCtrl.Helpers.Pipeline;
 using System.Diagnostics;
 using System.Windows;
+using System.Windows.Controls;
 using System.Windows.Input;
+using System.Windows.Media;

 namespace PamhagenSysCtrl.Windows {
    public partial class PlantSchemeWindow : Window {
@@ -14,11 +16,52 @@ namespace PamhagenSysCtrl.Windows {
        private ISet<INode>? _lastSelected;
        private ISet<INode>? _hover;

+        public Path? HoveringPath {
+            get {
+                foreach (var b in FastSelectPaths.Where(b => b.Key.IsMouseOver)) {
+                    if (Graph.SelectedPaths.Any(p => p.Start == b.Value.Source && p.Hops.Last().Node == b.Value.Sink))
+                        continue;
+                    return Graph.GetFreePath([b.Value.Source, b.Value.Sink], true);
+                }
+
+                if (_lastSource == null || _hover == null || !(_hover.Count > 0 || _path.Count > 0))
+                    return null;
+                List<INode> points = [_lastSource, .. _path];
+                if (_hover.Count > 0 && !points.Contains(_hover.First())) {
+                    points.Add(_hover.First());
+                }
+                if (points.Count >= 2) {
+                    return Graph.GetFreePath(points);
+                } else {
+                    return null;
+                }
+            }
+        }
+
+        protected Dictionary<Button, (ISource Source, Pump Pump, ISink Sink)> FastSelectPaths;
+
        public PlantSchemeWindow() {
            InitializeComponent();
-            App.Plant?.Update += OnUpdate;
+            Menu_Help_CheckForUpdates.IsEnabled = App.Config.UpdateUrl != null;
            Graph = new();
            Graph.Draw(SchemeCanvas);
+            FastSelectPaths = new Dictionary<Button, (ISource, Pump, ISink)> {
+                [FastSelectButton_MW1_Press1] = (Graph.MW1, Graph.MP1, Graph.Press1),
+                [FastSelectButton_MW2_Press1] = (Graph.MW2, Graph.MP2, Graph.Press1),
+                [FastSelectButton_MW1_Press2] = (Graph.MW1, Graph.MP1, Graph.Press2),
+                [FastSelectButton_MW2_Press2] = (Graph.MW2, Graph.MP2, Graph.Press2),
+                [FastSelectButton_MW1_Tank1] = (Graph.MW1, Graph.MP1, Graph.Tank1),
+                [FastSelectButton_MW2_Tank1] = (Graph.MW2, Graph.MP2, Graph.Tank1),
+                [FastSelectButton_MW1_Tank2] = (Graph.MW1, Graph.MP1, Graph.Tank2),
+                [FastSelectButton_MW2_Tank2] = (Graph.MW2, Graph.MP2, Graph.Tank2),
+                [FastSelectButton_MW1_Tank3] = (Graph.MW1, Graph.MP1, Graph.Tank3),
+                [FastSelectButton_MW2_Tank3] = (Graph.MW2, Graph.MP2, Graph.Tank3),
+                [FastSelectButton_MW1_Tank4] = (Graph.MW1, Graph.MP1, Graph.Tank4),
+                [FastSelectButton_MW2_Tank4] = (Graph.MW2, Graph.MP2, Graph.Tank4),
+                [FastSelectButton_MW1_Tank5] = (Graph.MW1, Graph.MP1, Graph.Tank5),
+                [FastSelectButton_MW2_Tank5] = (Graph.MW2, Graph.MP2, Graph.Tank5),
+            };
+            App.Plant?.Update += OnUpdate;
        }

        private void OnClosed(object sender, EventArgs evt) {
@@ -75,13 +118,109 @@ namespace PamhagenSysCtrl.Windows {
            } catch { }
        }

+        private async void Menu_Help_CheckForUpdates_Click(object sender, RoutedEventArgs evt) {
+            await App.CheckForUpdates(true);
+        }
+
+        private void Menu_Help_About_Click(object sender, RoutedEventArgs evt) {
+            var window = new AboutWindow {
+                Owner = this,
+            };
+            window.Show();
+        }
+
+        private void FastSelectButton_EntryTroughStart_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StartTroughAuger();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_EntryTroughStop_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StopTroughAuger();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MW1_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.SelectMW1();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MW2_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.SelectMW2();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP1_Forward_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StartMP1Forward();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP1_Stop_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StopMP1();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP2_Forward_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StartMP2Forward();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP2_Stop_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StopMP2();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_Enter(object sender, MouseEventArgs evt) {
+            UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
+        }
+
+        private void FastSelectButton_Leave(object sender, MouseEventArgs evt) {
+            UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
+        }
+
+        private void FastSelectButton_Click(object sender, RoutedEventArgs evt) {
+            if (sender is not Button b || !FastSelectPaths.TryGetValue(b, out var val))
+                return;
+
+            if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == val.Source, null) is Path p1) {
+                Graph.RemovePath(p1);
+                if (p1.Hops.Last().Node == val.Sink)
+                    return;
+            }
+            if (Graph.GetFreePath([val.Source, val.Sink]) is Path p2) {
+                Graph.AddPath(p2);
+                _lastSource = null;
+            }
+        }
+
        private void SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
-            var p = evt.GetPosition(SchemeCanvas);
            UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
        }

        private void SchemeCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs evt) {
-            var p = evt.GetPosition(SchemeCanvas);
            _lastSelected = UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
        }

@@ -108,13 +247,12 @@ namespace PamhagenSysCtrl.Windows {
                            Graph.RemovePath(path);
                        }
                    } else if (_lastSource != null && c is ISink sink) {
-                        var res = Graph.GetPath([_lastSource, .. _path, sink], (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
-                        if (res is Path path) {
+                        if (Graph.GetFreePath([_lastSource, .. _path, sink]) is Path path) {
                            Graph.AddPath(path);
                            _lastSource = null;
                        }
                    } else if (_lastSource != null) {
-                        var path = Graph.GetPath([_lastSource, .. _path, c], (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
+                        var path = Graph.GetFreePath([_lastSource, .. _path, c]);
                        if (path != null) {
                            _path.Add(c);
                        }
@@ -216,6 +354,30 @@ namespace PamhagenSysCtrl.Windows {
            UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
        }

+        private static void SetFastSelectButton(Button b, int m, bool disabled = false) {
+            b.IsEnabled = !disabled;
+            if (m == 1) {
+                b.Background = Brushes.MintCream;
+                b.BorderBrush = Brushes.DarkGreen;
+                b.Foreground = Brushes.DarkGreen;
+            } else if (m == 2) {
+                b.Background = Brushes.MistyRose;
+                b.BorderBrush = Brushes.DarkRed;
+                b.Foreground = Brushes.DarkRed;
+            } else {
+                b.Background = Brushes.LightGray;
+                b.BorderBrush = Brushes.DimGray;
+                b.Foreground = Brushes.Black;
+            }
+        }
+
+        private void UpdateFastSelectPathButton(IEnumerable<Path> paths, Path? hoverPathDeactivate, Button b) {
+            var e = FastSelectPaths[b];
+            SetFastSelectButton(b,
+                paths.Any(p => p.Start == e.Source && p.Hops.Last().Node == e.Sink) ? (hoverPathDeactivate?.Start == e.Source && hoverPathDeactivate?.Hops.Last().Node == e.Sink) ? 2 : 1 : 0,
+                e.Pump.IsActive || Graph.GetFreePath([e.Source, e.Sink], overrideStart: true) == null);
+        }
+
        private ISet<INode> UpdateScheme(Point pos, bool down) {
            foreach (var e in Graph.Edges) {
                e.Highlight = null;
@@ -227,35 +389,52 @@ namespace PamhagenSysCtrl.Windows {
                }
            }

+            SetFastSelectButton(FastSelectButton_EntryTrough_Start, App.Plant?.IsTroughAugerActive ?? false ? 1 : 0, !(App.Plant?.TroughAugerHasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_EntryTrough_Stop, App.Plant?.IsTroughAugerActive ?? false ? 0 : 2);
+            SetFastSelectButton(FastSelectButton_MW1, App.Plant?.IsMW1Selected ?? false ? 1 : 0);
+            SetFastSelectButton(FastSelectButton_MW2, App.Plant?.IsMW2Selected ?? false ? 1 : 0);
+            SetFastSelectButton(FastSelectButton_MP1_Forward, App.Plant?.MP1 == MotorState.Forward ? 1 : 0, !(App.Plant?.MP1HasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_MP1_Stop, App.Plant?.MP1 == MotorState.Halt ? 2 : 0);
+            SetFastSelectButton(FastSelectButton_MP2_Forward, App.Plant?.MP2 == MotorState.Forward ? 1 : 0, !(App.Plant?.MP2HasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_MP2_Stop, App.Plant?.MP2 == MotorState.Halt ? 2 : 0);
+            foreach (var b in FastSelectPaths) {
+                SetFastSelectButton(b.Key, 0, false);
+            }
+
            _hover = Graph.GetHover(pos.X, pos.Y);
+            var hoverButtons = FastSelectPaths.Where(b => b.Key.IsMouseOver).ToDictionary();
+            Path? hoverPathDeactivate = null;
            if (App.Plant?.ManualControlMode ?? false) {
                foreach (var src in Graph.Nodes.Where(n => n is Pump)) {
                    Graph.ColorPipesByValves(src, PamhagenBrushes.Green, (src as Pump)?.State ?? default, PamhagenBrushes.DimOrange);
                }
+                MP1_Target.Text = "Vor";
+                MP2_Target.Text = "Vor";
+                MP1_Target.FontSize = 16;
+                MP2_Target.FontSize = 16;
            } else {
                foreach (var p in Graph.SelectedPaths) {
                    Graph.ColorPipesAdjacientToPath(p, PamhagenBrushes.Green, p.Hops.Select(h => (h.Node as Pump)?.State ?? default).FirstOrDefault(n => n != MotorState.Halt), PamhagenBrushes.DimOrange);
                }
-                if (_lastSource != null && (_hover.Count > 0 || _path.Count > 0)) {
-                    List<INode> points = [_lastSource, .. _path];
-                    if (_hover.Count > 0 && !points.Contains(_hover.First())) {
-                        points.Add(_hover.First());
-                    }
-                    if (points.Count >= 2) {
-                        var res = Graph.GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
-                        if (res is Path path) {
-                            Graph.ColorPipesAdjacientToPath(path, PamhagenBrushes.Green, default, PamhagenBrushes.DimOrange);
-                        }
-                    }
-                } else if (_lastSource == null && _hover.Count > 0 && Graph.SelectedPaths.Any(p => p.Start == _hover.First())) {
-                    var path = Graph.SelectedPaths.First(p => p.Start == _hover.First());
-                    var pumpActive = path.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
+                if (_lastSource == null && _hover.Count > 0 && Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == _hover.First()) is Path path1) {
+                    var pumpActive = path1.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
                    if (pumpActive) {
-                        foreach (var pump in path.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
+                        foreach (var pump in path1.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
                            pump?.Highlight = PamhagenBrushes.Red;
                        }
                    } else {
-                        Graph.ColorPipesAdjacientToPath(path, PamhagenBrushes.Red, default, null);
+                        hoverPathDeactivate = path1;
+                        Graph.ColorPipesAdjacientToPath(path1, PamhagenBrushes.Red, default, null);
+                    }
+                } else if (hoverButtons.Count != 0 && Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == hoverButtons.First().Value.Source) is Path path2) {
+                    var pumpActive = path2.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
+                    if (pumpActive) {
+                        foreach (var pump in path2.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
+                            pump?.Highlight = PamhagenBrushes.Red;
+                        }
+                    } else {
+                        hoverPathDeactivate = path2;
+                        Graph.ColorPipesAdjacientToPath(path2, PamhagenBrushes.Red, default, null);
                    }
                }
                if (_lastSource != null) {
@@ -263,7 +442,36 @@ namespace PamhagenSysCtrl.Windows {
                        edge.Highlight = PamhagenBrushes.Green;
                    }
                }
+                if (HoveringPath is Path hoveringPath) {
+                    Graph.ColorPipesAdjacientToPath(hoveringPath, PamhagenBrushes.Green, default, PamhagenBrushes.DimOrange);
+                }
+
+                if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == Graph.MW1) is Path pmw1) {
+                    MP1_Target.Text = "\u2b9e " + string.Join(" \u2b9e ", pmw1.Hops
+                        .Select(h => h.Node is Valve || h.Node is Pump || h.Node is CenterValve ? null : h.Node.Label)
+                        .Where(l => !string.IsNullOrWhiteSpace(l)));
+                } else {
+                    MP1_Target.Text = "Vor";
+                }
+                if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == Graph.MW2) is Path pmw2) {
+                    MP2_Target.Text = "\u2b9e " + string.Join(" \u2b9e ", pmw2.Hops
+                        .Select(h => h.Node is Valve || h.Node is Pump || h.Node is CenterValve ? null : h.Node.Label)
+                        .Where(l => !string.IsNullOrWhiteSpace(l)));
+                } else {
+                    MP2_Target.Text = "Vor";
+                }
+                var len1 = MP1_Target.Text.Length;
+                var len2 = MP2_Target.Text.Length;
+                MP1_Target.FontSize = len1 > 24 ? 8 :  len1 > 20 ? 10 : len1 > 16 ? 12 : len1 > 12 ? 14 : 16;
+                MP2_Target.FontSize = len2 > 24 ? 8 :  len2 > 20 ? 10 : len2 > 16 ? 12 : len2 > 12 ? 14 : 16;
            }
+
+            var paths = Graph.SelectedPaths;
+            if (HoveringPath is Path hp) paths = paths.Append(hp);
+            foreach (var b in FastSelectPaths.Keys) {
+                UpdateFastSelectPathButton(paths, hoverPathDeactivate, b);
+            }
+
            Graph.Update(_hover, down);
            return _hover;
        }
@@ -1,2 +1,42 @@

-# Anlagensteuerung Pamhangen
+Anlagensteuerung Pamhagen
+=========================
+
+Schnittstelle zur SPS und grafische Benutzeroberfläche.
+Winzerkeller Seewinkel, Pamhagen.
+
+
+About
+=====
+
+**Product:** Anlagensteuerung Pamhagen  
+**Description:** Interface to a LPC and graphical user interface for controlling the plant/system  
+**Type:** HMI and PLC Control Software  
+**Version:** 0.0.3 ([Changelog](./CHANGELOG.md))  
+**License:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
+**Source code:** https://git.necronda.net/winzer/pamhagen-sysctrl  
+**Developement period:** 2026
+
+**Technology Stack:**  
+Language: C#  
+Framework: Windows Presentation Framework (WPF)  
+LPC-Interface: Serial connection  
+Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
+
+
+Über
+====
+
+**Produkt:** Anlagensteuerung Pamhagen  
+**Beschreibung:** Schnittstelle zu einer SPS und grafische Benutzeroberfläche für die Steuerung der Anlage  
+**Typ:** HMI- und SPS-Steuerungssoftware  
+**Version:** 0.0.3 ([Änderungsprotokoll](./CHANGELOG.md))  
+**Lizenz:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
+**Quellcode:** https://git.necronda.net/winzer/pamhagen-sysctrl  
+**Entwicklungszeitraum:** 2026
+
+**Verwendete Technologien:**  
+Programmiersprache: C#  
+Framework: Windows Presentation Framework (WPF)  
+SPS-Schnittstelle: Serielle Verbindung  
+Paketierung: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
Author	SHA1	Message	Date
lorenz.stechauner	2dee3a9ae9	Rework updating process a bit Test / Run tests (push) Successful in 13s Details	2026-08-12 15:01:59 +02:00
lorenz.stechauner	4e82f164c9	Update README and AboutWindow	2026-08-12 14:45:58 +02:00
thomas.hilscherandlorenz.stechauner	77f9ae167c	Update Über page	2026-08-12 11:38:09 +02:00
thomas.hilscherandlorenz.stechauner	eb0ec60ed2	Add auto updater	2026-08-12 11:37:07 +02:00
lorenz.stechauner	9d4ae11de8	Ignore empty sensors in tanks Test / Run tests (push) Successful in 33s Details	2026-08-12 11:24:14 +02:00
lorenz.stechauner	d507a7486e	Bump version to 0.0.3 Deploy / Build and Deploy (push) Successful in 2m34s Details Test / Run tests (push) Successful in 14s Details	2026-08-11 14:50:41 +02:00
lorenz.stechauner	ece46846b4	Add buttons for controlling pumps Test / Run tests (push) Successful in 34s Details	2026-08-11 12:59:08 +02:00
lorenz.stechauner	03c91fb55a	Enhance path finding using path cost	2026-08-11 02:01:08 +02:00
lorenz.stechauner	f0accc8df8	Add fast select buttons Test / Run tests (push) Successful in 14s Details	2026-08-11 00:26:27 +02:00