WPF Application Relative path to a mp3 sound file


The path must be relative to the folder where your application is executed.

mplayer.Open(new Uri(@"../../Sounds/circles.mp3", UriKind.Relative));

(Assuming your exe is run from the Bin/Debug folder)

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Updated on June 04, 2022


  • Admin
    Admin over 1 year

    I'm building a WPF project with Visual Studio 2012 and I'm finding a problem with relative paths.

    In the specific, I want a sound to be played when a ToggleButton is checked.

    This is the code for my button:

    <ToggleButton Name="Circles" Margin="88,104,86,172" Background="#FFFFD0CD" Foreground="Black" Checked="Circles_Checked">Circles</ToggleButton>

    and if I write like this:

        private void Circles_Checked(object sender, System.Windows.RoutedEventArgs e)
        MediaPlayer mplayer = new MediaPlayer();
        mplayer.Open(new Uri("C:\\Users\\user1\\Documents\\Visual Studio 2012\\Projects\\RehabilitationGUIProject\\RehabilitationGUIProject\\circles.mp3", UriKind.Relative));

    everything works as espected. But I want this code to work also onto other machines, not only mine. And what If I have to move the sounds to another location? I would like to use relative paths and move every sound inside my project folder.

    So I created a new folder named Sound inside my root project, the structure is like this:

    \Sounds \circles.mp3

    ... other files .xaml

    So I wrote the same lines of code above, changing this one:

    mplayer.Open(new Uri(@"/Sounds/circles.mp3", UriKind.Relative));

    But no sound is played. Which is the correct relative path for playing sounds from a project folder?

  • Admin
    Admin almost 10 years
    Thank you, now it's working! I really appreciated the help!
  • metatron
    metatron over 2 years
    Instead of jumping out of the Debug folder (by prepending ../../) you can mark the mp3 file as "Content" and "Copy if newer" in the Visual Studio Solution Explorer. Visual Studio will then copy the mp3 file to the correct location.