i live in spain but the S is silent

acc-web/accserver/sdk/broadcasting/Sources/ksBroadcastingTestClient/KSObservableObject.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ksBroadcastingTestClient
+{
+    /// <summary>
+    /// Just a cheap implementation of Viewmodels with auto-update capabilities - the laziest way to get this testclient doing it's job
+    /// </summary>
+    public abstract class KSObservableObject : INotifyPropertyChanged
+    {
+        #region Notification handling
+
+        private Dictionary<string, object> _propertyDict = new Dictionary<string, object>();
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected bool Set<T>(T value, [CallerMemberName] string propertyName = null)
+        {
+            bool hasChanged = false;
+            if (!_propertyDict.ContainsKey(propertyName))
+            {
+                _propertyDict.Add(propertyName, value);
+                hasChanged = true;
+            }
+            else
+            {
+                hasChanged = !object.Equals(_propertyDict[propertyName], value);
+                _propertyDict[propertyName] = value;
+            }
+
+            if (hasChanged)
+            {
+                NotifyUpdate(propertyName);
+            }
+
+            return hasChanged;
+        }
+
+        protected void NotifyUpdate(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        protected T Get<T>([CallerMemberName] string propertyName = null)
+        {
+            if (!_propertyDict.ContainsKey(propertyName))
+                return default(T);
+            return (T)_propertyDict[propertyName];
+        }
+        #endregion
+    }
+
+}