How to fix the error CS0246 in VS 2015 preview CTP 6

Question

Hello,I'm newbie to VS and also c# programming.I wanted to create a Universal app for WINDOWS 10.So,I made a new new project in VS 2015 with windows 10 UAP blank template.I designed my app and when I tried to build it,I got the error CS0246.I don't know
how to fix this,but for sure i'm expecting a fix for this from you.Here's the script which is automatically generated by VS.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.ApplicationModel;
using Windows.ApplicationModel.Activation;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Animation;
using Windows.UI.Xaml.Navigation;
// The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=402347&clcid=0x409
namespace RubixSolveIt
/// <summary>
/// Provides application-specific behavior to supplement the default Application class.
/// </summary>
public sealed partial class App : Application
/// <summary>
/// Allows tracking page views, exceptions and other telemetry through the Microsoft Application Insights service.
/// </summary>
public TelemetryClient TelemetryClient = new TelemetryClient();
/// <summary>
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
public App()
this.InitializeComponent();
this.Suspending += OnSuspending;
/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
protected override void OnLaunched(LaunchActivatedEventArgs e)
#if DEBUG
if (System.Diagnostics.Debugger.IsAttached)
this.DebugSettings.EnableFrameRateCounter = true;
#endif
Frame rootFrame = Window.Current.Content as Frame;
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
if (rootFrame == null)
// Create a Frame to act as the navigation context and navigate to the first page
rootFrame = new Frame();
// Set the default language
rootFrame.Language = Windows.Globalization.ApplicationLanguages.Languages[0];
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
//TODO: Load state from previously suspended application
// Place the frame in the current Window
Window.Current.Content = rootFrame;
if (rootFrame.Content == null)
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
// parameter
rootFrame.Navigate(typeof(MainPage), e.Arguments);
// Ensure the current window is active
Window.Current.Activate();
/// <summary>
/// Invoked when Navigation to a certain page fails
/// </summary>
/// <param name="sender">The Frame which failed navigation</param>
/// <param name="e">Details about the navigation failure</param>
void OnNavigationFailed(object sender, NavigationFailedEventArgs e)
throw new Exception("Failed to load Page " + e.SourcePageType.FullName);
/// <summary>
/// Invoked when application execution is being suspended. Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// </summary>
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
private void OnSuspending(object sender, SuspendingEventArgs e)
var deferral = e.SuspendingOperation.GetDeferral();
//TODO: Save application state and stop any background activity
deferral.Complete();
please any one help me to fix this and please explain it if you can,because I'm a newbie to C#.Thanks in advance

Answer 1

Both packets are supplied to get a preview of the packets, they are both not created to start building solutions.
Any solution given here on your question can lead to misunderstandings in feature. If you have to report a problem, then use the Microsoft Connect side. Be aware it is not to help with problems, but for reporting real not yet mentioned bugs.
http://connect.microsoft.com/
Success
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