Nya

private void AddAudio_Click(object sender, EventArgs e)
        {
            OpenFileDialog open = new OpenFileDialog();
            open.Multiselect = true;
            open.Filter = "MP3 files|*.mp3|WMV files|*.wmv|WPL files|*.wpl";
            open.FilterIndex = 1;

            if (open.ShowDialog() == DialogResult.OK)
            {
                for (int i = 0; i < open.FileNames.LongLength; i++)
                {
                    If	(Audio.Items.Contains(open.FileNames.GetValue(i)) == false)
                    {
                   Audio.Items.Add(open.SafeFileNames.GetValue(i));
                        Music.Add(open.FileNames.GetValue(i).ToString());

                    }
                }
            }