midiStreamPause

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

DWORD midiStreamPause(
    HMIDISTRM hms
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function midiStreamPause(
    hms As IntPtr   ' HMIDISTRM
) As UInteger
End Function

' hms : HMIDISTRM
Declare PtrSafe Function midiStreamPause Lib "winmm" ( _
    ByVal hms As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

midiStreamPause = ctypes.windll.winmm.midiStreamPause
midiStreamPause.restype = wintypes.DWORD
midiStreamPause.argtypes = [
    wintypes.HANDLE,  # hms : HMIDISTRM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
midiStreamPause = Fiddle::Function.new(
  lib['midiStreamPause'],
  [
    Fiddle::TYPE_VOIDP,  # hms : HMIDISTRM
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn midiStreamPause(
        hms: *mut core::ffi::c_void  // HMIDISTRM
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "WINMM.dll"
#func global midiStreamPause "midiStreamPause" sptr
; midiStreamPause hms   ; 戻り値は stat
; hms : HMIDISTRM -> "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 midiStreamPause "midiStreamPause" sptr
; res = midiStreamPause(hms)
; hms : HMIDISTRM -> "sptr"

; DWORD midiStreamPause(HMIDISTRM hms)
#uselib "WINMM.dll"
#cfunc global midiStreamPause "midiStreamPause" intptr
; res = midiStreamPause(hms)
; hms : HMIDISTRM -> "intptr"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmidiStreamPause = winmm.NewProc("midiStreamPause")
)

// hms (HMIDISTRM)
r1, _, err := procmidiStreamPause.Call(
	uintptr(hms),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function midiStreamPause(
  hms: THandle   // HMIDISTRM
): DWORD; stdcall;
  external 'WINMM.dll' name 'midiStreamPause';

result := DllCall("WINMM\midiStreamPause"
    , "Ptr", hms   ; HMIDISTRM
    , "UInt")   ; return: DWORD

●midiStreamPause(hms) = DLL("WINMM.dll", "dword midiStreamPause(void*)")
# 呼び出し: midiStreamPause(hms)
# hms : HMIDISTRM -> "void*"
# 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)。