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:

Do you know one? Please contribute it!

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.

Pointer to a MIDIHDR structure that identifies the MIDI buffer.

cbMidiOutHdr

Size, in bytes, of the MIDIHDR structure.

Size, in bytes, of the MIDIHDR structure.

Tips & Tricks:

Please add some!

Sample Code:

Please add some!

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).