public MainViewModel(int rows, int cols)
{
_rows = rows;
_cols = cols;
// make sure you have the event handlers wired up before this.
_watcher.EnumerateOutputPorts();
_watcher.OutputPortsEnumerated += OnMidiDevicesEnumerated;
Music = new ObservableCollection <MidiMessageBlock>();
Music.Add(new MidiMessageBlock(rows, cols));
CurrentBlockIndex = 0;
CurrentBlock = _music[CurrentBlockIndex];
PlayAll = true;
}
public void InsertBlock(bool before)
{
var block = new MidiMessageBlock(_rows, _cols);
if (before)
{
_music.Insert(CurrentBlockIndex, block);
}
else
{
if (CurrentBlockIndex == _music.Count)
{
_music.Add(block);
}
else
{
CurrentBlockIndex++;
_music.Insert(CurrentBlockIndex, block);
}
}
CurrentBlock = _music[CurrentBlockIndex];
}
