SendDriverMessage

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

LRESULT SendDriverMessage(
    HDRVR hDriver,
    DWORD message,
    LPARAM lParam1,
    LPARAM lParam2
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function SendDriverMessage(
    hDriver As IntPtr,   ' HDRVR
    message As UInteger,   ' DWORD
    lParam1 As IntPtr,   ' LPARAM
    lParam2 As IntPtr   ' LPARAM
) As IntPtr
End Function

' hDriver : HDRVR
' message : DWORD
' lParam1 : LPARAM
' lParam2 : LPARAM
Declare PtrSafe Function SendDriverMessage Lib "winmm" ( _
    ByVal hDriver As LongPtr, _
    ByVal message As Long, _
    ByVal lParam1 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

SendDriverMessage = ctypes.windll.winmm.SendDriverMessage
SendDriverMessage.restype = ctypes.c_ssize_t
SendDriverMessage.argtypes = [
    wintypes.HANDLE,  # hDriver : HDRVR
    wintypes.DWORD,  # message : DWORD
    ctypes.c_ssize_t,  # lParam1 : LPARAM
    ctypes.c_ssize_t,  # lParam2 : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
SendDriverMessage = Fiddle::Function.new(
  lib['SendDriverMessage'],
  [
    Fiddle::TYPE_VOIDP,  # hDriver : HDRVR
    -Fiddle::TYPE_INT,  # message : DWORD
    Fiddle::TYPE_INTPTR_T,  # lParam1 : LPARAM
    Fiddle::TYPE_INTPTR_T,  # lParam2 : LPARAM
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "winmm")]
extern "system" {
    fn SendDriverMessage(
        hDriver: *mut core::ffi::c_void,  // HDRVR
        message: u32,  // DWORD
        lParam1: isize,  // LPARAM
        lParam2: isize  // LPARAM
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern IntPtr SendDriverMessage(IntPtr hDriver, uint message, IntPtr lParam1, IntPtr lParam2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_SendDriverMessage' -Namespace Win32 -PassThru
# $api::SendDriverMessage(hDriver, message, lParam1, lParam2)

#uselib "WINMM.dll"
#func global SendDriverMessage "SendDriverMessage" sptr, sptr, sptr, sptr
; SendDriverMessage hDriver, message, lParam1, lParam2   ; 戻り値は stat
; hDriver : HDRVR -> "sptr"
; message : DWORD -> "sptr"
; lParam1 : LPARAM -> "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 SendDriverMessage "SendDriverMessage" sptr, int, sptr, sptr
; res = SendDriverMessage(hDriver, message, lParam1, lParam2)
; hDriver : HDRVR -> "sptr"
; message : DWORD -> "int"
; lParam1 : LPARAM -> "sptr"
; lParam2 : LPARAM -> "sptr"

; LRESULT SendDriverMessage(HDRVR hDriver, DWORD message, LPARAM lParam1, LPARAM lParam2)
#uselib "WINMM.dll"
#cfunc global SendDriverMessage "SendDriverMessage" intptr, int, intptr, intptr
; res = SendDriverMessage(hDriver, message, lParam1, lParam2)
; hDriver : HDRVR -> "intptr"
; message : DWORD -> "int"
; lParam1 : LPARAM -> "intptr"
; lParam2 : LPARAM -> "intptr"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procSendDriverMessage = winmm.NewProc("SendDriverMessage")
)

// hDriver (HDRVR), message (DWORD), lParam1 (LPARAM), lParam2 (LPARAM)
r1, _, err := procSendDriverMessage.Call(
	uintptr(hDriver),
	uintptr(message),
	uintptr(lParam1),
	uintptr(lParam2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LRESULT

function SendDriverMessage(
  hDriver: THandle;   // HDRVR
  message: DWORD;   // DWORD
  lParam1: NativeInt;   // LPARAM
  lParam2: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'WINMM.dll' name 'SendDriverMessage';

result := DllCall("WINMM\SendDriverMessage"
    , "Ptr", hDriver   ; HDRVR
    , "UInt", message   ; DWORD
    , "Ptr", lParam1   ; LPARAM
    , "Ptr", lParam2   ; LPARAM
    , "Ptr")   ; return: LRESULT

●SendDriverMessage(hDriver, message, lParam1, lParam2) = DLL("WINMM.dll", "int SendDriverMessage(void*, dword, int, int)")
# 呼び出し: SendDriverMessage(hDriver, message, lParam1, lParam2)
# hDriver : HDRVR -> "void*"
# message : DWORD -> "dword"
# lParam1 : LPARAM -> "int"
# 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)。