BASS.NET API for the Un4seen BASS Audio LibraryMidiInputDeviceOpen Method BASS.NET API for the Un4seen BASS Audio Library
Opens the Midi input device using the DeviceID.

Namespace: radio42.Multimedia.Midi
Assembly: Bass.Net (in Bass.Net.dll) Version: 2.4.12.0
Syntax

public bool Open()

Return Value

Type: Boolean
on success, else .
Remarks

After you have called this method the Device is being used. However, Midi messages are not yet recorded and received. To start recording call the Start method.

When you have subscribed to the MessageReceived event you'll get notified when the device is opened (Opened) and closed (Closed).

Once you're done with the device call Close to close the device and release it.

Examples

Opens the Midi input device #0:
VB
Private _inDevice As MidiInputDevice
...
_inDevice = New MidiInputDevice(0)
AddHandler _inDevice.MessageReceived, AddressOf InDevice_MessageReceived
If _inDevice.Open() Then
  If Not _inDevice.Start() Then
    MessageBox.Show(Me, "Midi device could not be started! Error " + _inDevice.LastErrorCode.ToString(), "Midi Error")
  End If
Else
  MessageBox.Show(Me, "Midi device could not be opened! Error " + _inDevice.LastErrorCode.ToString(), "Midi Error")
End If 
...
' when done
If _inDevice.IsStarted Then
  _inDevice.Stop()
End If
If _inDevice.IsOpened Then
  _inDevice.Close()
End If
...
Private Sub InDevice_MessageReceived(sender As Object, e As MidiMessageEventArgs)
  If e.IsShortMessage Then
    Console.WriteLine("{0} : {1}", e.ShortMessage.ID, e.ShortMessage.ToString())
  Else
    If e.IsSysExMessage Then
      Console.WriteLine("{0} : {1}", e.SysExMessage.ID, e.SysExMessage.ToString())
    End If
  End If
End Sub
private MidiInputDevice _inDevice;
...
_inDevice = new MidiInputDevice(0);
_inDevice.MessageReceived += new MidiMessageEventHandler(InDevice_MessageReceived);
if (_inDevice.Open())
{
  if (!_inDevice.Start())
    MessageBox.Show(this, "Midi device could not be started! Error " + _inDevice.LastErrorCode.ToString(), "Midi Error");
}
else
  MessageBox.Show(this, "Midi device could not be opened! Error " + _inDevice.LastErrorCode.ToString(), "Midi Error");
...
// when done
if (_inDevice.IsStarted)
  _inDevice.Stop();
if (_inDevice.IsOpened)
  _inDevice.Close();
...
private void InDevice_MessageReceived(object sender, MidiMessageEventArgs e)
{
  if (e.IsShortMessage)
  {
    Console.WriteLine("{0} : {1}", e.ShortMessage.ID, e.ShortMessage.ToString());
  }
  else if (e.IsSysExMessage)
  {
    Console.WriteLine("{0} : {1}", e.SysExMessage.ID, e.SysExMessage.ToString());
  }
}
See Also

Reference