Push Alpha Version

uniper_hmi_old/UniperHMI/SettingsPage/SettingsPage.xaml

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+<Page x:Class="InfineonHMI.SettingsPage"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+      xmlns:mah="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
+      xmlns:local="clr-namespace:InfineonHMI"
+      mc:Ignorable="d" 
+      d:DesignHeight="450" d:DesignWidth="800"
+      d:DataContext="{d:DesignInstance Type=local:SettingsPageVM}"
+      Title="SettingsPageView">
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition/>
+            <RowDefinition/>
+            <RowDefinition/>
+        </Grid.RowDefinitions>
+	    
+        <Button x:Name="BtnReadIni"
+                Content="Ini Datei einlesen"
+                Width="120" 
+                HorizontalAlignment="Left" 
+                Margin="10"/>
+	    
+	    <!-- {d:SampleData ItemCount=5} -->
+        <!--<DataGrid d:ItemsSource="{Binding CollectionView.View}"/>-->
+
+
+
+        <TreeView x:Name="treeview" ItemsSource="{Binding RootItem}" SelectedValuePath="Value" MinWidth="200" >
+            <TreeView.ItemTemplate>
+                <HierarchicalDataTemplate ItemsSource="{Binding SubEntries}">
+                    <TreeViewItem>
+                        <TreeViewItem.Header>
+                            <Grid>
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="*"/>
+                                    <ColumnDefinition Width="Auto" />
+                                </Grid.ColumnDefinitions>
+                                <Label Content="{Binding Path=Name}"/>
+                                <TextBox Text="{Binding Value}" Visibility="{Binding Visibility}" Margin="10,0,0,0" Width="150" TextAlignment="Right"/>
+                            </Grid>
+                        </TreeViewItem.Header>
+                        <!-- <TextBox Text="{Binding Value}" Visibility="{Binding Visibility}"/> -->
+                    </TreeViewItem>
+                </HierarchicalDataTemplate>
+            </TreeView.ItemTemplate>
+        </TreeView>
+    </Grid>
+</Page>

uniper_hmi_old/UniperHMI/SettingsPage/SettingsPage.xaml.cs

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+using System.Windows.Controls;
+
+namespace InfineonHMI
+{
+    /// <summary>
+    /// Interaktionslogik für SettingsPageView.xaml
+    /// </summary>
+    public partial class SettingsPage : Page
+    {
+        public SettingsPage()
+        {
+            InitializeComponent();
+            Unloaded += OnUnloaded;
+        }
+
+        private void OnUnloaded(object? sender, EventArgs e)
+        {
+            var disposable = DataContext as IDisposable;
+            disposable?.Dispose();
+        }
+    }
+}

uniper_hmi_old/UniperHMI/SettingsPage/SettingsPageVM.cs

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+using CommunityToolkit.Mvvm.ComponentModel;
+using MahApps.Metro.Controls;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.Windows;
+using TwinCAT.Ads.TypeSystem;
+using TwinCAT.TypeSystem;
+using Heisig.HMI.AdsManager;
+
+namespace InfineonHMI
+{
+    public partial class SettingsEntry : ObservableObject
+    {
+        [ObservableProperty]
+        private string name = "";
+
+        [ObservableProperty]
+        private string instancePath = "";
+
+        [ObservableProperty]
+        private string? dataType;
+
+        [ObservableProperty]
+        private Object? value;
+
+        public ObservableCollection<SettingsEntry> SubEntries { get; set; } = [];
+
+        [ObservableProperty]
+        private Visibility visibility = Visibility.Collapsed;
+
+        private readonly IAdsManager _adsManager;
+
+        public SettingsEntry(IAdsManager adsManager)
+        {
+            _adsManager = adsManager;
+        }
+
+        partial void OnValueChanging(object? oldValue, object? newValue)
+        {
+            if (newValue == null)
+            {
+                newValue = oldValue;
+                return;
+            }
+                
+
+            try
+            {
+                _adsManager.WriteValue(InstancePath, newValue);
+            }
+            catch (Exception)
+            {
+                newValue = oldValue;
+                Debug.WriteLine("Value {0} could not be written to {1}", newValue, InstancePath);
+            }
+        }
+    }
+
+    public partial class SettingsPageVM : ObservableObject, IDisposable
+    {
+        public ObservableCollection<SettingsEntry> RootItem { get; private set; } = [];
+
+        private readonly IAdsManager _adsManager;
+
+        private readonly string _variableName;
+
+        public SettingsPageVM(IAdsManager adsManager, string variableName)
+        {
+            _adsManager = adsManager;
+            _variableName = variableName;
+
+            _adsManager.Register(_variableName, ConfigChangedEvent);
+        }
+
+        private void ConfigChangedEvent(object? sender, ValueChangedEventArgs e)
+        {
+            App.Current.Invoke(CreateSettingsTree);
+        }
+
+        private void CreateSettingsTree()
+        {
+            ISymbolLoader? symbolLoader = _adsManager.GetSymbolLoader();
+
+            if (symbolLoader == null)
+                return;
+
+            Symbol configSymbol = (Symbol)symbolLoader.Symbols[_variableName];
+            SettingsEntry entry = GetSymbol(configSymbol);
+            RootItem.Add(entry);
+        }
+
+        private SettingsEntry GetSymbol(Symbol symbol)
+        {
+            // Create Symbol
+            SettingsEntry entry = new(_adsManager)
+            {
+                Name = symbol.InstanceName,
+                InstancePath = symbol.InstancePath,
+                DataType = symbol.DataType?.Name
+            };
+
+            // Check if symbol has sub symbols
+            if (!symbol.IsPrimitiveType)
+            {
+                foreach (Symbol subSymbol in symbol.SubSymbols.Cast<Symbol>())
+                {
+                    entry.SubEntries.Add(GetSymbol(subSymbol));
+                }
+            }
+            else
+            {
+                entry.Visibility = Visibility.Visible;
+                
+                entry.Value = symbol.ReadValue();
+            }
+
+            return entry;
+        }
+
+        public void Dispose()
+        {
+            _adsManager?.Deregister(_variableName, ConfigChangedEvent);
+        }
+    }
+}