/// <summary>
/// Un-prepares the <paramref name="buffer"/> for the Midi In Port.
/// </summary>
/// <param name="buffer">Must not be null.</param>
/// <remarks>This method is not intended to be called by client code.</remarks>
protected override void OnUnprepareBuffer(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, "buffer");
int result = NativeMethods.midiInUnprepareHeader(
MidiPort.MidiSafeHandle,
buffer.ToIntPtr(),
(uint)MemoryUtil.SizeOfMidiHeader);
MidiInPort.ThrowIfError(result);
}
/// <summary>
/// Initializes the collection instance.
/// </summary>
public MidiInPortCapsCollection()
: base(new List <MidiInPortCaps>())
{
int count = NativeMethods.midiInGetNumDevs();
for (int portId = 0; portId < count; portId++)
{
MidiInPortCaps caps = MidiInPort.GetPortCapabilities(portId);
Items.Add(caps);
}
}
/// <summary>
/// Adds the <paramref name="buffer"/> to the midi port.
/// </summary>
/// <param name="buffer">Must not be null.</param>
private void AddBufferToPort(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, "buffer");
// make sure the stream is rewound.
buffer.Position = 0;
int result = NativeMethods.midiInAddBuffer(
MidiPort.MidiSafeHandle,
buffer.ToIntPtr(),
(uint)MemoryUtil.SizeOfMidiHeader);
MidiInPort.ThrowIfError(result);
}
/// <summary>
/// Initializes the buffer manager on the Midi In <paramref name="port"/>.
/// </summary>
/// <param name="port">Must not be null.</param>
internal MidiInBufferManager(MidiInPort port)
: base(port, FileAccess.Read)
{
}
/// <summary>
/// Initializes the buffer manager on the Midi In <paramref name="port"/>.
/// </summary>
/// <param name="port">Must not be null.</param>
internal MidiInBufferManager(MidiInPort port)
: base(port, FileAccess.Read)
{
Contract.Requires(port != null);
}
