C# Signature:

    [StructLayout(LayoutKind.Sequential)]
    struct MIDIOUTCAPS
    {
    public ushort wMid;
    public ushort wPid;
    public uint vDriverVersion;     //MMVERSION
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst= 32)]
    public string szPname;
    public ushort wTechnology;
    public ushort wVoices;
    public ushort wNotes;
    public ushort wChannelMask;
    public uint dwSupport;
    }

    // values for wTechnology field of MIDIOUTCAPS structure
    private const ushort MOD_MIDIPORT = 1;     // output port
    private const ushort MOD_SYNTH = 2;        // generic internal synth
    private const ushort MOD_SQSYNTH = 3;      // square wave internal synth
    private const ushort MOD_FMSYNTH = 4;      // FM internal synth
    private const ushort MOD_MAPPER = 5;       // MIDI mapper
    private const ushort MOD_WAVETABLE = 6;    // hardware wavetable synth
    private const ushort MOD_SWSYNTH = 7;      // software synth

    // flags for dwSupport field of MIDIOUTCAPS structure
    private const uint MIDICAPS_VOLUME = 1;      // supports volume control
    private const uint MIDICAPS_LRVOLUME = 2;    // separate left-right volume control
    private const uint MIDICAPS_CACHE = 4;
    private const uint MIDICAPS_STREAM = 8;      // driver supports midiStreamOut directly

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

Please add some!

This is sample Code

MidiOutCaps outCaps = new MidiOutCaps();

int result = midiOutGetDevCaps(deviceID, ref outCaps, Marshal.SizeOf(outCaps));

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).