filter conditions

Billing.Shared/UI/Definition.cs

@@ -92,6 +92,12 @@ namespace Billing.UI
             var result = await page.DisplayActionSheet(message, Resource.No, yes);
             return result == yes;
         }
+
+        public static DateTime LastMoment(this DateTime date)
+        {
+            // add 23:59:59.999...
+            return date.AddTicks(863999999999);
+        }
     }
 
     public static class ModelExtensionHelper