void UpdateUI(object sender, EventArgs e)
{
if (!System.Threading.Monitor.TryEnter(timerLock))
{
return;
}
try
{
if (stopUI)
{
Stop(null, null);
stopUI = false;
return;
}
ClearPianoNotes();
var info = trackInfo.Info;
SongPlayer.GetSongState(info);
for (int i = SongPlayer.NumTracks - 1; i >= 0; i--)
{
if (!PianoTracks[i])
{
continue;
}
var notes = info.Notes[i];
pianoNotes.AddRange(notes);
foreach (var n in notes)
{
if (n >= piano.LowNoteID && n <= piano.HighNoteID)
{
piano[n - piano.LowNoteID].NoteOnColor = Config.Colors[info.Voices[i]];
piano.PressPianoKey(n);
}
}
}
if (!drag)
{
UpdateSongPosition((int)info.Position);
}
trackInfo.Invalidate();
}
finally
{
System.Threading.Monitor.Exit(timerLock);
}
}