Initial Push

uniper_hmi/UniperHMI/HMIToolkit/HMIObjects/HMIControlButtonVM.cs

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+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using TwinCAT.TypeSystem;
+using Heisig.HMI.AdsManager;
+
+namespace HMIToolkit
+{
+    public sealed partial class HMIControlButtonVM : ObservableObject, IDisposable
+    {
+        private IAdsManager? _adsManager;
+        private readonly string _variableName;
+
+        // Action triggered when the button is about to be clicked
+        public event EventHandler? ButtonClickedStarted;
+
+        // Action triggered when the button is done being clicked
+        public event EventHandler? ButtonClickedEnded;
+
+        // Event when button feedback changed
+        public event EventHandler? FeedbackChanged;
+
+        // Event when release changed
+        public event EventHandler? ReleaseChanged;
+
+        [ObservableProperty]
+        private bool xRelease;
+
+        // 0 = none, 1 = active, 2 = pending, 3 = waring, 4 = error
+        [ObservableProperty]
+        private short iFeedback;
+
+        public HMIControlButtonVM()
+        {
+            _variableName = string.Empty;
+            XRelease = false;
+            IFeedback = 4;
+        }
+
+        public HMIControlButtonVM(IAdsManager adsManager, string variableName)
+        {
+            _adsManager = adsManager;
+            _variableName = variableName;
+
+            _adsManager.Register(_variableName + ".xRelease", XReleaseCahnged);
+            _adsManager.Register(_variableName + ".iFeedback", IFeedbackChanged);
+        }
+
+        public void Dispose()
+        {
+            _adsManager?.Deregister(_variableName + ".xRelease", XReleaseCahnged);
+            _adsManager?.Deregister(_variableName + ".iFeedback", IFeedbackChanged);
+        }
+
+        [RelayCommand]
+        private void ButtonClicked()
+        {
+            ButtonClickedStarted?.Invoke(this, EventArgs.Empty);
+            _adsManager?.WriteValue(_variableName + ".xRequest", true);
+            ButtonClickedEnded?.Invoke(this, EventArgs.Empty);
+        }
+
+        private void XReleaseCahnged(object? sender, ValueChangedEventArgs e)
+        {
+            XRelease = (bool)e.Value;
+            ReleaseChanged?.Invoke(this, EventArgs.Empty);
+        }
+
+        private void IFeedbackChanged(object? sender, ValueChangedEventArgs e)
+        {
+            IFeedback = (short)e.Value;
+            FeedbackChanged?.Invoke(this, EventArgs.Empty);
+        }
+    }
+}