private void BrowseBtn_Click(object sender, RoutedEventArgs e)
        {
            var fileDialogObject = new Microsoft.Win32.OpenFileDialog();
            var fullPathList     = fileDialogObject.BrowseMultipleFilesToOpen("Audio Files|*.wav").ToList();

            fullPathList.ForEach(file =>
            {
                if (_mediapoolFilesWithFullPath.Contains(file) == false)
                {
                    _mediapoolFilesWithFullPath.Add(file);
                }
            });

            var fileNameList = fileDialogObject.SafeFileNames.ToList();

            if (fileNameList?.Count > 0)
            {
                fileNameList.ToList().ForEach(file =>

                {
                    if (!MediaPool.Items.Contains(file))
                    {
                        MediaPool.Items.Add(file);
                    }
                });
            }
        }