Push Alpha Version

uniper_hmi/UniperHMI/Common/MediaContainer.xaml.cs

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+using System.Text.RegularExpressions;
+using System.Windows.Controls;
+using System.Windows.Input;
+
+namespace Common
+{
+    /// <summary>
+    /// Interaktionslogik für AnalogValue.xaml
+    /// </summary>
+    public partial class MediaContainer : UserControl
+    {
+        public bool IsReadonly { get; set; }
+
+        public MediaContainer()
+        {
+            InitializeComponent();
+            // Unloaded += OnUnloaded;
+        }
+
+        private void OnUnloaded(object? sender, EventArgs e)
+        {
+            var disposable = DataContext as IDisposable;
+            disposable?.Dispose();
+        }
+
+        private void NumberValidation(object sender, TextCompositionEventArgs e)
+        {
+            Regex regex = new("^[-+]?[0-9]*,?[0-9]+$");
+            e.Handled = regex.IsMatch(e.Text);
+        }
+    }
+}