/// <summary>
/// Opens a specified MIDI in device
/// </summary>
/// <param name="deviceNo">The device number</param>
public MidiInEx(int deviceNo)
{
this.callback = new MidiInCallback(Callback);
MmException.Try(MidiInOpen(out hMidiIn, deviceNo, this.callback, 0, CALLBACK_FUNCTION), "midiInOpen");
//MidiInPrepareHeader(
//MidiInAddBuffer(
}
public bool OpenMidiIn(int deviceID)
{
callback = new MidiInCallback(InCallback);
int result = MidiInOpen(ref midi_in_handle, deviceID, callback, 0, CALLBACK_FUNCTION);
if (result != 0)
{
StringBuilder error_text = new StringBuilder(64);
MidiInGetErrorText(result, error_text, 64);
Debug.WriteLine("MidiInOpen Error: " + error_text);
//MessageBox.Show("Error opening Midi In device");
return(false);
}
for (int i = 0; i < 3; i++)
{
result = AddSysExBuffer(midi_in_handle);
if (result != 0)
{
StringBuilder error_text = new StringBuilder(64);
MidiInGetErrorText(result, error_text, 64);
Debug.WriteLine("AddSysExBuffer Error: " + error_text);
//MessageBox.Show("Error adding Midi In device SysEx Buffer");
return(false);
}
}
result = MidiInStart(midi_in_handle);
if (result != 0)
{
StringBuilder error_text = new StringBuilder(64);
MidiInGetErrorText(result, error_text, 64);
Debug.WriteLine("MidiInStart Error: " + error_text);
//MessageBox.Show("Error starting Midi In device");
return(false);
}
return(true);
}
public static extern MmResult midiInOpen(out IntPtr hMidiIn, IntPtr uDeviceID, MidiInCallback callback, IntPtr dwInstance, int dwFlags);
public static extern MmResult midiInOpen(out IntPtr hMidiIn, IntPtr uDeviceID, MidiInCallback callback, IntPtr dwInstance, int dwFlags);
public static extern int MidiInOpen(ref int lphMidiIn, int uDeviceID, MidiInCallback dwCallback, int dwInstance, int dwFlags);
public static extern int MidiInOpen(out IntPtr lphMidiIn, uint uDeviceID, MidiInCallback dwCallback, IntPtr dwInstance, MidiInOpenFlags dwFlags);
public static extern int MidiInOpen(ref int lphMidiIn, int uDeviceID, MidiInCallback dwCallback, int dwInstance, int dwFlags);