--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Chronosv2/source/Presentation/ViewModel/ViewModelBase.cs	Tue Feb 21 17:25:44 2012 +0700
@@ -0,0 +1,73 @@
+/*
+The MIT License
+
+Copyright (c) 2009-2010. Carlos Guzmán Álvarez. http://chronoswpf.codeplex.com/
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+using System.ComponentModel;
+using nRoute.Services;
+using nRoute.ViewServices;
+
+namespace Chronos.Presentation.ViewModel
+{
+    /// <summary>
+    /// Provides a base class for Applications to inherit from. 
+    /// </summary>
+    public abstract class ViewModelBase 
+        : ObservableObject
+    {
+        #region · Constructors ·
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ViewModelBase"/> class.
+        /// </summary>
+        protected ViewModelBase()
+            : base()
+        {
+        }
+
+        #endregion
+
+        #region · Protected Methods ·
+
+        /// <summary>
+        /// Gets the requested service instance.
+        /// </summary>
+        /// <typeparam name="TService">The type of the service.</typeparam>
+        /// <returns></returns>
+        protected TService GetService<TService>() where TService : class
+        {
+            return ServiceLocator.GetService<TService>();
+        }
+
+        /// <summary>
+        /// Gets the requested view service.
+        /// </summary>
+        /// <typeparam name="TViewService">The type of the view service.</typeparam>
+        /// <returns></returns>
+        protected TViewService GetViewService<TViewService>() where TViewService : class
+        {
+            return ViewServiceLocator.GetViewService<TViewService>();
+        }
+
+        #endregion
+    }
+}