share db

Billing.Shared/UI/BillingPage.cs

@@ -7,6 +7,7 @@ namespace Billing.UI
     public abstract class BillingPage : ContentPage
     {
         public event EventHandler Loaded;
+        public event EventHandler Refreshed;
 
         private bool loaded;
 
@@ -16,11 +17,16 @@ namespace Billing.UI
             Shell.SetTabBarIsVisible(this, false);
         }
 
-        public virtual void OnLoaded()
+        protected virtual void OnLoaded()
         {
             Loaded?.Invoke(this, EventArgs.Empty);
         }
 
+        protected virtual void OnRefresh()
+        {
+            Refreshed?.Invoke(this, EventArgs.Empty);
+        }
+
         public void TriggerLoad()
         {
             if (!loaded)
@@ -29,5 +35,10 @@ namespace Billing.UI
                 OnLoaded();
             }
         }
+
+        public void TriggerRefresh()
+        {
+            OnRefresh();
+        }
     }
 }