SendIMEMessageExW

// USER32.dll  (Unicode / -W)
#include <windows.h>

LRESULT SendIMEMessageExW(
    HWND param0,
    LPARAM param1
);

<DllImport("USER32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SendIMEMessageExW(
    param0 As IntPtr,   ' HWND
    param1 As IntPtr   ' LPARAM
) As IntPtr
End Function

' param0 : HWND
' param1 : LPARAM
Declare PtrSafe Function SendIMEMessageExW Lib "user32" ( _
    ByVal param0 As LongPtr, _
    ByVal param1 As LongPtr) As LongPtr
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SendIMEMessageExW = ctypes.windll.user32.SendIMEMessageExW
SendIMEMessageExW.restype = ctypes.c_ssize_t
SendIMEMessageExW.argtypes = [
    wintypes.HANDLE,  # param0 : HWND
    ctypes.c_ssize_t,  # param1 : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
SendIMEMessageExW = Fiddle::Function.new(
  lib['SendIMEMessageExW'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : HWND
    Fiddle::TYPE_INTPTR_T,  # param1 : LPARAM
  ],
  Fiddle::TYPE_INTPTR_T)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "user32")]
extern "system" {
    fn SendIMEMessageExW(
        param0: *mut core::ffi::c_void,  // HWND
        param1: isize  // LPARAM
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", CharSet = CharSet.Unicode)]
public static extern IntPtr SendIMEMessageExW(IntPtr param0, IntPtr param1);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SendIMEMessageExW' -Namespace Win32 -PassThru
# $api::SendIMEMessageExW(param0, param1)

#uselib "USER32.dll"
#func global SendIMEMessageExW "SendIMEMessageExW" wptr, wptr
; SendIMEMessageExW param0, param1   ; 戻り値は stat
; param0 : HWND -> "wptr"
; param1 : LPARAM -> "wptr"
; ※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 "USER32.dll"
#cfunc global SendIMEMessageExW "SendIMEMessageExW" sptr, sptr
; res = SendIMEMessageExW(param0, param1)
; param0 : HWND -> "sptr"
; param1 : LPARAM -> "sptr"

; LRESULT SendIMEMessageExW(HWND param0, LPARAM param1)
#uselib "USER32.dll"
#cfunc global SendIMEMessageExW "SendIMEMessageExW" intptr, intptr
; res = SendIMEMessageExW(param0, param1)
; param0 : HWND -> "intptr"
; param1 : LPARAM -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSendIMEMessageExW = user32.NewProc("SendIMEMessageExW")
)

// param0 (HWND), param1 (LPARAM)
r1, _, err := procSendIMEMessageExW.Call(
	uintptr(param0),
	uintptr(param1),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LRESULT

function SendIMEMessageExW(
  param0: THandle;   // HWND
  param1: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'USER32.dll' name 'SendIMEMessageExW';

result := DllCall("USER32\SendIMEMessageExW"
    , "Ptr", param0   ; HWND
    , "Ptr", param1   ; LPARAM
    , "Ptr")   ; return: LRESULT

●SendIMEMessageExW(param0, param1) = DLL("USER32.dll", "int SendIMEMessageExW(void*, int)")
# 呼び出し: SendIMEMessageExW(param0, param1)
# param0 : HWND -> "void*"
# param1 : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。