ImmSetCandidateWindow

// IMM32.dll
#include <windows.h>

BOOL ImmSetCandidateWindow(
    HIMC param0,
    CANDIDATEFORM* lpCandidate
);

<DllImport("IMM32.dll", ExactSpelling:=True)>
Public Shared Function ImmSetCandidateWindow(
    param0 As IntPtr,   ' HIMC
    lpCandidate As IntPtr   ' CANDIDATEFORM*
) As Boolean
End Function

' param0 : HIMC
' lpCandidate : CANDIDATEFORM*
Declare PtrSafe Function ImmSetCandidateWindow Lib "imm32" ( _
    ByVal param0 As LongPtr, _
    ByVal lpCandidate 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

ImmSetCandidateWindow = ctypes.windll.imm32.ImmSetCandidateWindow
ImmSetCandidateWindow.restype = wintypes.BOOL
ImmSetCandidateWindow.argtypes = [
    wintypes.HANDLE,  # param0 : HIMC
    ctypes.c_void_p,  # lpCandidate : CANDIDATEFORM*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IMM32.dll')
ImmSetCandidateWindow = Fiddle::Function.new(
  lib['ImmSetCandidateWindow'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : HIMC
    Fiddle::TYPE_VOIDP,  # lpCandidate : CANDIDATEFORM*
  ],
  Fiddle::TYPE_INT)

#[link(name = "imm32")]
extern "system" {
    fn ImmSetCandidateWindow(
        param0: *mut core::ffi::c_void,  // HIMC
        lpCandidate: *mut CANDIDATEFORM  // CANDIDATEFORM*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("IMM32.dll")]
public static extern bool ImmSetCandidateWindow(IntPtr param0, IntPtr lpCandidate);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IMM32_ImmSetCandidateWindow' -Namespace Win32 -PassThru
# $api::ImmSetCandidateWindow(param0, lpCandidate)

#uselib "IMM32.dll"
#func global ImmSetCandidateWindow "ImmSetCandidateWindow" sptr, sptr
; ImmSetCandidateWindow param0, varptr(lpCandidate)   ; 戻り値は stat
; param0 : HIMC -> "sptr"
; lpCandidate : CANDIDATEFORM* -> "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 "IMM32.dll"
#cfunc global ImmSetCandidateWindow "ImmSetCandidateWindow" sptr, var
; res = ImmSetCandidateWindow(param0, lpCandidate)
; param0 : HIMC -> "sptr"
; lpCandidate : CANDIDATEFORM* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL ImmSetCandidateWindow(HIMC param0, CANDIDATEFORM* lpCandidate)
#uselib "IMM32.dll"
#cfunc global ImmSetCandidateWindow "ImmSetCandidateWindow" intptr, var
; res = ImmSetCandidateWindow(param0, lpCandidate)
; param0 : HIMC -> "intptr"
; lpCandidate : CANDIDATEFORM* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	imm32 = windows.NewLazySystemDLL("IMM32.dll")
	procImmSetCandidateWindow = imm32.NewProc("ImmSetCandidateWindow")
)

// param0 (HIMC), lpCandidate (CANDIDATEFORM*)
r1, _, err := procImmSetCandidateWindow.Call(
	uintptr(param0),
	uintptr(lpCandidate),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ImmSetCandidateWindow(
  param0: THandle;   // HIMC
  lpCandidate: Pointer   // CANDIDATEFORM*
): BOOL; stdcall;
  external 'IMM32.dll' name 'ImmSetCandidateWindow';

result := DllCall("IMM32\ImmSetCandidateWindow"
    , "Ptr", param0   ; HIMC
    , "Ptr", lpCandidate   ; CANDIDATEFORM*
    , "Int")   ; return: BOOL

●ImmSetCandidateWindow(param0, lpCandidate) = DLL("IMM32.dll", "bool ImmSetCandidateWindow(void*, void*)")
# 呼び出し: ImmSetCandidateWindow(param0, lpCandidate)
# param0 : HIMC -> "void*"
# lpCandidate : CANDIDATEFORM* -> "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)。