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midiInGetDevCaps function

The midiInGetDevCaps function determines the capabilities of a specified MIDI input device.

Syntax


MMRESULT midiInGetDevCaps(
  UINT_PTR uDeviceID,
  LPMIDIINCAPS lpMidiInCaps,
  UINT cbMidiInCaps
);

Parameters

uDeviceID

Identifier of the MIDI input device. The device identifier varies from zero to one less than the number of devices present. This parameter can also be a properly cast device handle.

lpMidiInCaps

Pointer to a MIDIINCAPS structure that is filled with information about the capabilities of the device.

cbMidiInCaps

Size, in bytes, of the MIDIINCAPS structure. Only cbMidiInCaps bytes (or less) of information is copied to the location pointed to by lpMidiInCaps. If cbMidiInCaps is zero, nothing is copied, and the function returns MMSYSERR_NOERROR.

Return value

Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.

Return codeDescription
MMSYSERR_BADDEVICEID

The specified device identifier is out of range.

MMSYSERR_INVALPARAM

The specified pointer or structure is invalid.

MMSYSERR_NODRIVER

The driver is not installed.

MMSYSERR_NOMEM

The system is unable to allocate or lock memory.

 

Remarks

To determine the number of MIDI input devices present on the system, use the midiInGetNumDevs function.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Mmsystem.h (include Windows.h)

Library

Winmm.lib

DLL

Winmm.dll

Unicode and ANSI names

midiInGetDevCapsW (Unicode) and midiInGetDevCapsA (ANSI)

See also

MIDI Functions

 

 

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