private void GroupFileList(object parameters)
{
var query = MediaFiles.GroupBy(mf => mf.Type).Select(g => new { Name = g.Key, Files = g.ToList <MediaFile>() }).ToList();
MediaFiles.Clear();
foreach (var mf in query)
{
MediaFiles.Add(new MediaFile {
Name = mf.Name.ToString()
});
foreach (MediaFile f in mf.Files)
{
MediaFiles.Add(f);
}
}
}