public void PianoKeyDown(object o, PianoEventArgs e)
{
int Octave = e.Key / 12;
int Key = e.Key % 12;
this.nudOctave.Value = Octave;
this.cbPitch.SelectedIndex = Key;
try {
MidiOutputHandler.GetInstance().SendQuickNoteOnMessage(0, 0, 0, 4, e.Key);
}
catch (AccessViolationException) {
MessageBox.Show(
"Memory read/write error has occured.\n\n" +
"You should save all your work because the application\n" +
"is in an unsafe state and restart the software!\n\n" +
"Reason: The MIDI playback subsystem has been crashed and could not be restarted.\n" +
"Any MIDI output interaction will crash the entire software.\n\n" +
"The application will not exit when you click the OK button.",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
}
}
private void btnOk_Click(object sender, EventArgs e)
{
this.Config.Save();
MidiOutputHandler.GetInstance().ReinitializeDevice(this.Config.MidiOutputDeviceID);
this.Close();
}
public static void Initialize(int DeviceID)
{
if (MidiOutputHandler.Instance != null)
{
throw new InvalidOperationException("Only one instance is allowed of MidiOutputHandler and it is already initialized.");
}
MidiOutputHandler.Instance = new MidiOutputHandler(DeviceID);
}
public MidiPlaybackDialog(Measure m, int Tempo, IEnumerable <StyleEntry> Messages)
{
InitializeComponent();
this.Player = new MidiMessagePlayer(
Tempo,
MidiOutputHandler.GetInstance().Device,
Messages
);
pbPosition.Maximum = Player.TotalTime;
pbBeat.Maximum = m.Numerator;
this.Measure = m;
}
public void PianoKeyUp(object o, PianoEventArgs e)
{
try {
MidiOutputHandler.GetInstance().SendQuickNoteOffMessage(4, e.Key);
}
catch (AccessViolationException) {
MessageBox.Show(
"Memory read/write error has occured.\n\n" +
"You should save all your work because the application\n" +
"is in an unsafe state and restart the software!\n\n" +
"Reason: The MIDI playback subsystem has been crashed.\n" +
"Any MIDI output interaction will crash the entire software.",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
}
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
frmStartupScreen Startup = new frmStartupScreen();
Startup.Show();
Startup.Status = StartupStatus.InitMidiOutDevice;
Properties.Settings s = new Properties.Settings();
MidiOutputHandler.Initialize(s.MidiOutputDeviceID);
Startup.Status = StartupStatus.None;
Thread.Sleep(2000);
Startup.Close();
Application.Run(new frmMainWindow());
MidiOutputHandler.DisposeInstance();
}
