/// <summary>
/// Creates a new <see cref="MidiDevice"/> initialized from the specified <see cref="API.MidiInputDeviceCapabilities"/>.
/// </summary>
/// <param name="deviceID">An <see cref="int"/> representing the ID of the device.</param>
/// <param name="capabilities">An <see cref="API.MidiInputDeviceCapabilities"/> containing the MIDI device's capabilities.</param>
internal protected MidiDevice(int deviceID, API.MidiInputDeviceCapabilities capabilities)
{
this.ID = deviceID;
this.Name = capabilities.DeviceName;
this.Type = API.MidiDeviceType.MIDI_DEVICETYPE_MIDI_PORT;
this.Handle = IntPtr.Zero;
}
/// <summary>
/// Initializes the internal list of installed MIDI input devices.
/// </summary>
/// <exception cref="MidiInputDeviceException">Raises error #2: MULTIMEDIA_SYSTEM_ERROR_BAD_DEVICE_ID, the specified device ID is out of range.</exception>
/// <exception cref="MidiInputDeviceException">Raises error #6: MULTIMEDIA_SYSTEM_ERROR_NO_DRIVER, the driver is not installed.</exception>
/// <exception cref="MidiInputDeviceException">Raises error #7: MULTIMEDIA_SYSTEM_ERROR_NO_MEM, the system is unable to allocate or lock memory.</exception>
/// <exception cref="MidiInputDeviceException">Raises error #11: MULTIMEDIA_SYSTEM_ERROR_INVALID_PARAMETER, the specified pointer or structure is invalid.</exception>
private static void InitializeMidiInputDeviceList()
{
_MidiInputDevices = new MidiInputDevice[API.MidiInputDeviceCount()];
for (int deviceID = 0; deviceID < _MidiInputDevices.Length; deviceID++)
{
API.MidiInputDeviceCapabilities capabilities = new API.MidiInputDeviceCapabilities();
MidiInputDevice.InvalidateResult(API.GetMidiInputDeviceCapabilities(deviceID, ref capabilities));
_MidiInputDevices[deviceID] = new MidiInputDevice(deviceID, capabilities);
}
}
/// <summary>
/// Private contstructor to create and initialize a new <see cref="MidiInputDevice"/>, only invoked by the <see cref="InitializeDeviceList"/> method.
/// </summary>
/// <param name="deviceID">An <see cref="int"/> representing the unique indexed <see cref="MidiInputDevice"/>'s ID.</param>
/// <param name="capabilities">An <see cref="API.MidiInputDeviceCapabilities"/> structure to store the <see cref="MidiInputDevice"/>'s capabilities.</param>
internal MidiInputDevice(int deviceID, API.MidiInputDeviceCapabilities capabilities) : base(deviceID, capabilities)
{
_Capabilities = capabilities;
_Callback = Callback;
}