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midiOutLongMsg (winmm)
 
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Summary
The midiOutLongMsg function sends a system-exclusive MIDI message to the specified MIDI output device.

C# Signature:

[DllImport("winmm.dll")]
static extern UInt32 midiOutLongMsg(IntPtr hmo, IntPtr lpMidiOutHdr, UInt32 cbMidiOutHdr); // LD83

VB Signature:

Declare Function midiOutLongMsg Lib "winmm.dll" (hmo AS Intptr, lpMidiOutHdr AS Intptr, cbMidiOutHdr AS UInt32) AS UInt32 //Untested - LD83

User-Defined Types:

MIDIHDR

Alternative Managed API:

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Notes:

hmo

Handle to the MIDI output device. This parameter can also be the handle of a MIDI stream cast to HMIDIOUT.

lpMidiOutHdr

Pointer to a MIDIHDR structure that identifies the MIDI buffer.

cbMidiOutHdr

Size, in bytes, of the MIDIHDR structure.

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Sample Code:

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Documentation

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