Windows phone 7 尝试使用XNA播放音效

我正在使用XNa的soundeffect对象为windows phone编写第一个应用程序，它将是一个音板

该项目是一个Windows phone Silverlight和Xna应用程序c#

我从书中得到了一些示例代码，101 phone 7应用程序。 声音中要加载的linbe给了我一个 “找不到类型StreamResourceInfo命名空间”

StreamResourceInfo=Application.GetResourceStream（新Uri（“Audio/cowbell.wav”，UriKind.Relative））

代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Xna.Framework.Audio;


namespace SlXnaApp4
{
public partial class MainPage : PhoneApplicationPage
{
    SoundEffect cowbell;

    // Constructor
    public MainPage()
    {
        // Load sound file

        StreamResourceInfo info = Application.GetResourceStream(new Uri("Audio/cowbell.wav", UriKind.Relative));

        // create xna sound
        cowbell = SoundEffect.FromStream(info);

        // Sub to per frame call back
        CompositionTarget.Rendering += CompositionTarget_Rendering;

        // requred for xna sound effects to work
        Microsoft.Xna.Framework.FrameworkDispatcher.Update();

        // testb sound
        cowbell.Play();

        InitializeComponent();
    }

    void CompositionTarget_Rendering(object sender, EventArgs e)
    {
        Microsoft.Xna.Framework.FrameworkDispatcher.Update();
    }




    // Simple button Click event handler to take us to the second page
    private void Button_Click(object sender, RoutedEventArgs e)
    {
        NavigationService.Navigate(new Uri("/GamePage.xaml", UriKind.Relative));
    }

    private void button1_Click(object sender, RoutedEventArgs e)
    {

    }
}

}

为以下内容添加使用指令：

---

您是否添加了对

System.Windows

的引用？

System.Windows

在默认情况下始终被引用。

using System.Windows.Resources;