private void DeleteAll()
{
var tracks = modelService.ReadAllTracks();
int deleted = 0;
foreach (var track in tracks)
{
modelService.DeleteTrack(track.TrackReference);
OnTestRunnerEvent(
OngoingActionEvent,
new TestRunnerOngoingEventArgs
{
Message = string.Format("Deleted {0} out of {1} tracks from storage", Interlocked.Increment(ref deleted), tracks.Count)
});
}
}