wpf播放视频音频的两种不同方法

Window1.xaml代码

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="300" Width="300">
    <Grid>
        <Button Height="23" Margin="12,12,0,0" Name="button1" VerticalAlignment="Top" Click="button1_Click" HorizontalAlignment="Left" Width="74">Button</Button>
        <Button Height="23" HorizontalAlignment="Right" Margin="0,12,54,0" Name="button2" VerticalAlignment="Top" Width="75" Click="button2_Click">Button</Button>
        
        <MediaElement Name="McMediaElement"  LoadedBehavior="Manual"/>
    </Grid>
</Window>

Window1.xaml.cs代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication1
{
    /// <summary>
    /// Window1.xaml 的交互逻辑
    /// </summary>
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            //用MediaPlayer类进行播放
            MediaPlayer player = new MediaPlayer();
            player.Open(new Uri(Environment.CurrentDirectory + "\\music.mp3", UriKind.Relative));
            VideoDrawing aVideoDrawing = new VideoDrawing();
            aVideoDrawing.Rect = new Rect(0, 0, 100, 100);
            aVideoDrawing.Player = player;
 
            player.Play(); 
        }

        private void button2_Click(object sender, RoutedEventArgs e)
        {
            //用MediaElement控件进行播放
            McMediaElement.Source = new Uri(Environment.CurrentDirectory + "\\music.mp3");
            McMediaElement.Play(); 
        }
    }
}
其中Environment.CurrentDirectory表示和项目生成的exe同一目录,请将视频或音频文件copy至此目录