First commit - OpenBullet 1.0.0

RuriLib/ViewModels/ViewModelBase.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace RuriLib.ViewModels
+{
+    /// <summary>
+    /// A basic viewmodel that implements the PropertyChanged event.
+    /// </summary>
+    public abstract class ViewModelBase : INotifyPropertyChanged
+    {
+        /// <summary>The event that lets the GUI know a property was changed.</summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        /// <summary>
+        /// Raises a PropertyChanged event.
+        /// </summary>
+        /// <param name="propertyName">The name of the property. If null, the name of the calling property will be used.</param>
+        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}