Add Outlook Inspired and Stock Market demos

OutlookInspiredApp/DevExpress.OutlookInspiredApp/DevAVDbDataModel/UnitOfWorkSource.cs

@@ -0,0 +1,38 @@
+using DevExpress.DevAV;
+using DevExpress.Mvvm;
+using DevExpress.Mvvm.DataModel;
+using DevExpress.Mvvm.DataModel.DesignTime;
+using DevExpress.Mvvm.DataModel.EFCore;
+using System;
+using System.Collections;
+using System.Linq;
+
+namespace DevExpress.DevAV.DevAVDbDataModel
+{
+
+    /// <summary>
+    /// Provides methods to obtain the relevant IUnitOfWorkFactory.
+    /// </summary>
+    public static class UnitOfWorkSource
+    {
+
+        /// <summary>
+        /// Returns the IUnitOfWorkFactory implementation based on the current mode (run-time or design-time).
+        /// </summary>
+        public static IUnitOfWorkFactory<IDevAVDbUnitOfWork> GetUnitOfWorkFactory()
+        {
+            return GetUnitOfWorkFactory(ViewModelBase.IsInDesignMode);
+        }
+
+        /// <summary>
+        /// Returns the IUnitOfWorkFactory implementation based on the given mode (run-time or design-time).
+        /// </summary>
+        /// <param name="isInDesignTime">Used to determine which implementation of IUnitOfWorkFactory should be returned.</param>
+        public static IUnitOfWorkFactory<IDevAVDbUnitOfWork> GetUnitOfWorkFactory(bool isInDesignTime)
+        {
+            //if (isInDesignTime)
+            //    return new DesignTimeUnitOfWorkFactory<IDevAVDbUnitOfWork>(() => new DevAVDbDesignTimeUnitOfWork());
+            return new DbUnitOfWorkFactory<IDevAVDbUnitOfWork>(() => new DevAVDbUnitOfWork(() => new DevAVDb(@"Data Source=devav.sqlite3")));
+        }
+    }
+}