mmDrvInstall

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

DWORD mmDrvInstall(
    HDRVR hDriver,
    LPCWSTR wszDrvEntry,
    DRIVERMSGPROC drvMessage,
    DWORD wFlags
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function mmDrvInstall(
    hDriver As IntPtr,   ' HDRVR
    <MarshalAs(UnmanagedType.LPWStr)> wszDrvEntry As String,   ' LPCWSTR
    drvMessage As IntPtr,   ' DRIVERMSGPROC
    wFlags As UInteger   ' DWORD
) As UInteger
End Function

' hDriver : HDRVR
' wszDrvEntry : LPCWSTR
' drvMessage : DRIVERMSGPROC
' wFlags : DWORD
Declare PtrSafe Function mmDrvInstall Lib "winmm" ( _
    ByVal hDriver As LongPtr, _
    ByVal wszDrvEntry As LongPtr, _
    ByVal drvMessage As LongPtr, _
    ByVal wFlags 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

mmDrvInstall = ctypes.windll.winmm.mmDrvInstall
mmDrvInstall.restype = wintypes.DWORD
mmDrvInstall.argtypes = [
    wintypes.HANDLE,  # hDriver : HDRVR
    wintypes.LPCWSTR,  # wszDrvEntry : LPCWSTR
    ctypes.c_void_p,  # drvMessage : DRIVERMSGPROC
    wintypes.DWORD,  # wFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mmDrvInstall = Fiddle::Function.new(
  lib['mmDrvInstall'],
  [
    Fiddle::TYPE_VOIDP,  # hDriver : HDRVR
    Fiddle::TYPE_VOIDP,  # wszDrvEntry : LPCWSTR
    Fiddle::TYPE_VOIDP,  # drvMessage : DRIVERMSGPROC
    -Fiddle::TYPE_INT,  # wFlags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mmDrvInstall(
        hDriver: *mut core::ffi::c_void,  // HDRVR
        wszDrvEntry: *const u16,  // LPCWSTR
        drvMessage: *const core::ffi::c_void,  // DRIVERMSGPROC
        wFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint mmDrvInstall(IntPtr hDriver, [MarshalAs(UnmanagedType.LPWStr)] string wszDrvEntry, IntPtr drvMessage, uint wFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mmDrvInstall' -Namespace Win32 -PassThru
# $api::mmDrvInstall(hDriver, wszDrvEntry, drvMessage, wFlags)

#uselib "WINMM.dll"
#func global mmDrvInstall "mmDrvInstall" sptr, sptr, sptr, sptr
; mmDrvInstall hDriver, wszDrvEntry, drvMessage, wFlags   ; 戻り値は stat
; hDriver : HDRVR -> "sptr"
; wszDrvEntry : LPCWSTR -> "sptr"
; drvMessage : DRIVERMSGPROC -> "sptr"
; wFlags : 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 mmDrvInstall "mmDrvInstall" sptr, wstr, sptr, int
; res = mmDrvInstall(hDriver, wszDrvEntry, drvMessage, wFlags)
; hDriver : HDRVR -> "sptr"
; wszDrvEntry : LPCWSTR -> "wstr"
; drvMessage : DRIVERMSGPROC -> "sptr"
; wFlags : DWORD -> "int"

; DWORD mmDrvInstall(HDRVR hDriver, LPCWSTR wszDrvEntry, DRIVERMSGPROC drvMessage, DWORD wFlags)
#uselib "WINMM.dll"
#cfunc global mmDrvInstall "mmDrvInstall" intptr, wstr, intptr, int
; res = mmDrvInstall(hDriver, wszDrvEntry, drvMessage, wFlags)
; hDriver : HDRVR -> "intptr"
; wszDrvEntry : LPCWSTR -> "wstr"
; drvMessage : DRIVERMSGPROC -> "intptr"
; wFlags : DWORD -> "int"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmmDrvInstall = winmm.NewProc("mmDrvInstall")
)

// hDriver (HDRVR), wszDrvEntry (LPCWSTR), drvMessage (DRIVERMSGPROC), wFlags (DWORD)
r1, _, err := procmmDrvInstall.Call(
	uintptr(hDriver),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszDrvEntry))),
	uintptr(drvMessage),
	uintptr(wFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mmDrvInstall(
  hDriver: THandle;   // HDRVR
  wszDrvEntry: PWideChar;   // LPCWSTR
  drvMessage: Pointer;   // DRIVERMSGPROC
  wFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mmDrvInstall';

result := DllCall("WINMM\mmDrvInstall"
    , "Ptr", hDriver   ; HDRVR
    , "WStr", wszDrvEntry   ; LPCWSTR
    , "Ptr", drvMessage   ; DRIVERMSGPROC
    , "UInt", wFlags   ; DWORD
    , "UInt")   ; return: DWORD

●mmDrvInstall(hDriver, wszDrvEntry, drvMessage, wFlags) = DLL("WINMM.dll", "dword mmDrvInstall(void*, char*, void*, dword)")
# 呼び出し: mmDrvInstall(hDriver, wszDrvEntry, drvMessage, wFlags)
# hDriver : HDRVR -> "void*"
# wszDrvEntry : LPCWSTR -> "char*"
# drvMessage : DRIVERMSGPROC -> "void*"
# wFlags : 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)。