midiStreamProperty

// WINMM.dll
#include <windows.h>

DWORD midiStreamProperty(
    HMIDISTRM hms,
    BYTE* lppropdata,
    DWORD dwProperty
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function midiStreamProperty(
    hms As IntPtr,   ' HMIDISTRM
    lppropdata As IntPtr,   ' BYTE* in/out
    dwProperty As UInteger   ' DWORD
) As UInteger
End Function

' hms : HMIDISTRM
' lppropdata : BYTE* in/out
' dwProperty : DWORD
Declare PtrSafe Function midiStreamProperty Lib "winmm" ( _
    ByVal hms As LongPtr, _
    ByVal lppropdata As LongPtr, _
    ByVal dwProperty As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

midiStreamProperty = ctypes.windll.winmm.midiStreamProperty
midiStreamProperty.restype = wintypes.DWORD
midiStreamProperty.argtypes = [
    wintypes.HANDLE,  # hms : HMIDISTRM
    ctypes.POINTER(ctypes.c_ubyte),  # lppropdata : BYTE* in/out
    wintypes.DWORD,  # dwProperty : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
midiStreamProperty = Fiddle::Function.new(
  lib['midiStreamProperty'],
  [
    Fiddle::TYPE_VOIDP,  # hms : HMIDISTRM
    Fiddle::TYPE_VOIDP,  # lppropdata : BYTE* in/out
    -Fiddle::TYPE_INT,  # dwProperty : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn midiStreamProperty(
        hms: *mut core::ffi::c_void,  // HMIDISTRM
        lppropdata: *mut u8,  // BYTE* in/out
        dwProperty: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint midiStreamProperty(IntPtr hms, IntPtr lppropdata, uint dwProperty);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_midiStreamProperty' -Namespace Win32 -PassThru
# $api::midiStreamProperty(hms, lppropdata, dwProperty)

#uselib "WINMM.dll"
#func global midiStreamProperty "midiStreamProperty" sptr, sptr, sptr
; midiStreamProperty hms, varptr(lppropdata), dwProperty   ; 戻り値は stat
; hms : HMIDISTRM -> "sptr"
; lppropdata : BYTE* in/out -> "sptr"
; dwProperty : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "WINMM.dll"
#cfunc global midiStreamProperty "midiStreamProperty" sptr, var, int
; res = midiStreamProperty(hms, lppropdata, dwProperty)
; hms : HMIDISTRM -> "sptr"
; lppropdata : BYTE* in/out -> "var"
; dwProperty : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD midiStreamProperty(HMIDISTRM hms, BYTE* lppropdata, DWORD dwProperty)
#uselib "WINMM.dll"
#cfunc global midiStreamProperty "midiStreamProperty" intptr, var, int
; res = midiStreamProperty(hms, lppropdata, dwProperty)
; hms : HMIDISTRM -> "intptr"
; lppropdata : BYTE* in/out -> "var"
; dwProperty : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmidiStreamProperty = winmm.NewProc("midiStreamProperty")
)

// hms (HMIDISTRM), lppropdata (BYTE* in/out), dwProperty (DWORD)
r1, _, err := procmidiStreamProperty.Call(
	uintptr(hms),
	uintptr(lppropdata),
	uintptr(dwProperty),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function midiStreamProperty(
  hms: THandle;   // HMIDISTRM
  lppropdata: Pointer;   // BYTE* in/out
  dwProperty: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'midiStreamProperty';

result := DllCall("WINMM\midiStreamProperty"
    , "Ptr", hms   ; HMIDISTRM
    , "Ptr", lppropdata   ; BYTE* in/out
    , "UInt", dwProperty   ; DWORD
    , "UInt")   ; return: DWORD

●midiStreamProperty(hms, lppropdata, dwProperty) = DLL("WINMM.dll", "dword midiStreamProperty(void*, void*, dword)")
# 呼び出し: midiStreamProperty(hms, lppropdata, dwProperty)
# hms : HMIDISTRM -> "void*"
# lppropdata : BYTE* in/out -> "void*"
# dwProperty : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。