<Window x:Class="SoundAndVideo.SoundPlayerTest" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SoundPlayerTest" Height="300" Width="300" Closed="window_Closed"> <StackPanel> <Button Click="cmdPlayAudioAsync_Click">Play Audio Asynchronously</Button> </StackPanel> </Window> //File:Window.xaml.cs using System; using System.Collections.Generic; 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.Shapes; using System.Media; using System.ComponentModel; using System.IO; namespace SoundAndVideo { public partial class SoundPlayerTest : System.Windows.Window { MediaPlayer player = new MediaPlayer(); public SoundPlayerTest() { InitializeComponent(); } private void cmdPlayAudioAsync_Click(object sender, RoutedEventArgs e) { SoundPlayer player = new SoundPlayer(); player.SoundLocation = "test.wav"; player.Load(); player.Play(); } private void window_Closed(object sender, EventArgs e) { player.Close(); } } }