Initial commit

Apollon.WPF/ViewModels/BaseViewModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.ViewModels
+{
+    public class BaseViewModel : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler? PropertyChanged;
+
+        protected void OnPrpertyChanged(string properyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(properyName));
+        }
+    }
+}