Visual C# - Simple Media Player

#region Documentation
// Include these items:
// Trackbar 1: trackBarSeekBar ; TickStyle: None | Anchor: Bottom, Left, Right
//   Button 1: buttonBrowse    ; Text: Browse    | Anchor: Bottom, Left
//   Button 2: buttonPlayPause ; Text: Play      | Anchor: Bottom, Left
//   Button 3: buttonStop      ; Text: Stop      | Anchor: Bottom, Left
// Trackbar 2: trackBarVolume  ; TickStyle: None | Maximum: 100 | Anchor: Bottom, Right
#endregion

public Form1()
{
    InitializeComponent();
    wmpPlayer.uiMode = "none";
    wmpPlayer.stretchToFit = true;
}

private void buttonBrowse_Click(object sender, EventArgs e)
{
    OpenFileDialog fileChooser = new OpenFileDialog();
    DialogResult result = fileChooser.ShowDialog();

    if (result == DialogResult.OK)
    {
        wmpPlayer.URL = fileChooser.FileName;
    }

    buttonPlayPause.Text = "Pause";
    trackBarVolume.Value = wmpPlayer.settings.volume;
    timer1.Enabled = true;
}

private void buttonPlayPause_Click(object sender, EventArgs e)
{
    if (wmpPlayer.playState == WMPLib.WMPPlayState.wmppsPaused)
    {
        wmpPlayer.Ctlcontrols.play();
        buttonPlayPause.Text = "Pause";
    }
    else
    {
        wmpPlayer.Ctlcontrols.pause();
        buttonPlayPause.Text = "Play";
    }
}

private void buttonStop_Click(object sender, EventArgs e)
{
    wmpPlayer.Ctlcontrols.stop();
}

private void timer1_Tick(object sender, EventArgs e)
{
    trackBarSeekBar.Maximum = (int)wmpPlayer.currentMedia.duration;
    trackBarSeekBar.Value = (int)wmpPlayer.Ctlcontrols.currentPosition;
}

private void trackBarSeekBar_MouseDown(object sender, MouseEventArgs e)
{
    timer1.Enabled = false;
}

private void trackBarSeekBar_MouseUp(object sender, MouseEventArgs e)
{
    wmpPlayer.Ctlcontrols.currentPosition = trackBarSeekBar.Value;
    timer1.Enabled = true;
}

private void trackBarVolume_Scroll(object sender, EventArgs e)
{
    wmpPlayer.settings.volume = trackBarVolume.Value;
}

// Simple Media Player
// Using WMP Control