Viewmodels are now maintained throughout the app lifecycle

Aurora/Design/Views/BaseViewModel.cs

@@ -1,6 +1,7 @@
 using System;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using System.Threading.Tasks;
 
 namespace Aurora.Design.Views
 {
@@ -10,6 +11,13 @@ namespace Aurora.Design.Views
         {
         }
 
+        #region Lifecycle
+        public virtual void OnActive() { }
+
+        public virtual void OnInactive() { }
+
+        #endregion
+
         #region INotifyPropertyChanged Implementation
         public bool SetProperty<T>(ref T storage, T value, [CallerMemberName] string propertyName = null)
         {