internal struct MIDIHDR

Declare Function MIDIHDR Lib "winmm.dll" (TODO) As TODO

static extern Int32 midiStreamOut(IntPtr hMidiStream, MIDIHDR lpMidiHdr, uint cbMidiHdr);

Declare Function midiStreamOut Lib "winmm.dll" (ByVal hMidiStream As IntPtr, ByVal lpMidiHdr As MIDIHDR, ByVal cbMidiHdr As UInteger) As Integer

struct MIDIHDR

     MIDIHDR lpNext;

Structure MIDIHDR