OpenDriver

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

HDRVR OpenDriver(
    LPCWSTR szDriverName,
    LPCWSTR szSectionName,
    LPARAM lParam2
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function OpenDriver(
    <MarshalAs(UnmanagedType.LPWStr)> szDriverName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> szSectionName As String,   ' LPCWSTR
    lParam2 As IntPtr   ' LPARAM
) As IntPtr
End Function

' szDriverName : LPCWSTR
' szSectionName : LPCWSTR
' lParam2 : LPARAM
Declare PtrSafe Function OpenDriver Lib "winmm" ( _
    ByVal szDriverName As LongPtr, _
    ByVal szSectionName As LongPtr, _
    ByVal lParam2 As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

OpenDriver = ctypes.windll.winmm.OpenDriver
OpenDriver.restype = ctypes.c_void_p
OpenDriver.argtypes = [
    wintypes.LPCWSTR,  # szDriverName : LPCWSTR
    wintypes.LPCWSTR,  # szSectionName : LPCWSTR
    ctypes.c_ssize_t,  # lParam2 : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
OpenDriver = Fiddle::Function.new(
  lib['OpenDriver'],
  [
    Fiddle::TYPE_VOIDP,  # szDriverName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # szSectionName : LPCWSTR
    Fiddle::TYPE_INTPTR_T,  # lParam2 : LPARAM
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "winmm")]
extern "system" {
    fn OpenDriver(
        szDriverName: *const u16,  // LPCWSTR
        szSectionName: *const u16,  // LPCWSTR
        lParam2: isize  // LPARAM
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern IntPtr OpenDriver([MarshalAs(UnmanagedType.LPWStr)] string szDriverName, [MarshalAs(UnmanagedType.LPWStr)] string szSectionName, IntPtr lParam2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_OpenDriver' -Namespace Win32 -PassThru
# $api::OpenDriver(szDriverName, szSectionName, lParam2)

#uselib "WINMM.dll"
#func global OpenDriver "OpenDriver" sptr, sptr, sptr
; OpenDriver szDriverName, szSectionName, lParam2   ; 戻り値は stat
; szDriverName : LPCWSTR -> "sptr"
; szSectionName : LPCWSTR -> "sptr"
; lParam2 : LPARAM -> "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 OpenDriver "OpenDriver" wstr, wstr, sptr
; res = OpenDriver(szDriverName, szSectionName, lParam2)
; szDriverName : LPCWSTR -> "wstr"
; szSectionName : LPCWSTR -> "wstr"
; lParam2 : LPARAM -> "sptr"

; HDRVR OpenDriver(LPCWSTR szDriverName, LPCWSTR szSectionName, LPARAM lParam2)
#uselib "WINMM.dll"
#cfunc global OpenDriver "OpenDriver" wstr, wstr, intptr
; res = OpenDriver(szDriverName, szSectionName, lParam2)
; szDriverName : LPCWSTR -> "wstr"
; szSectionName : LPCWSTR -> "wstr"
; lParam2 : LPARAM -> "intptr"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procOpenDriver = winmm.NewProc("OpenDriver")
)

// szDriverName (LPCWSTR), szSectionName (LPCWSTR), lParam2 (LPARAM)
r1, _, err := procOpenDriver.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szDriverName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szSectionName))),
	uintptr(lParam2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HDRVR

function OpenDriver(
  szDriverName: PWideChar;   // LPCWSTR
  szSectionName: PWideChar;   // LPCWSTR
  lParam2: NativeInt   // LPARAM
): THandle; stdcall;
  external 'WINMM.dll' name 'OpenDriver';

result := DllCall("WINMM\OpenDriver"
    , "WStr", szDriverName   ; LPCWSTR
    , "WStr", szSectionName   ; LPCWSTR
    , "Ptr", lParam2   ; LPARAM
    , "Ptr")   ; return: HDRVR

●OpenDriver(szDriverName, szSectionName, lParam2) = DLL("WINMM.dll", "void* OpenDriver(char*, char*, int)")
# 呼び出し: OpenDriver(szDriverName, szSectionName, lParam2)
# szDriverName : LPCWSTR -> "char*"
# szSectionName : LPCWSTR -> "char*"
# lParam2 : LPARAM -> "int"
# 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)。