GdiComment

// GDI32.dll
#include <windows.h>

BOOL GdiComment(
    HDC hdc,
    DWORD nSize,
    const BYTE* lpData
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GdiComment(
    hdc As IntPtr,   ' HDC
    nSize As UInteger,   ' DWORD
    lpData As IntPtr   ' BYTE*
) As Boolean
End Function

' hdc : HDC
' nSize : DWORD
' lpData : BYTE*
Declare PtrSafe Function GdiComment Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal nSize As Long, _
    ByVal lpData 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

GdiComment = ctypes.windll.gdi32.GdiComment
GdiComment.restype = wintypes.BOOL
GdiComment.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    wintypes.DWORD,  # nSize : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # lpData : BYTE*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GdiComment = Fiddle::Function.new(
  lib['GdiComment'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    -Fiddle::TYPE_INT,  # nSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpData : BYTE*
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn GdiComment(
        hdc: *mut core::ffi::c_void,  // HDC
        nSize: u32,  // DWORD
        lpData: *const u8  // BYTE*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool GdiComment(IntPtr hdc, uint nSize, IntPtr lpData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GdiComment' -Namespace Win32 -PassThru
# $api::GdiComment(hdc, nSize, lpData)

#uselib "GDI32.dll"
#func global GdiComment "GdiComment" sptr, sptr, sptr
; GdiComment hdc, nSize, varptr(lpData)   ; 戻り値は stat
; hdc : HDC -> "sptr"
; nSize : DWORD -> "sptr"
; lpData : BYTE* -> "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 "GDI32.dll"
#cfunc global GdiComment "GdiComment" sptr, int, var
; res = GdiComment(hdc, nSize, lpData)
; hdc : HDC -> "sptr"
; nSize : DWORD -> "int"
; lpData : BYTE* -> "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 GdiComment(HDC hdc, DWORD nSize, BYTE* lpData)
#uselib "GDI32.dll"
#cfunc global GdiComment "GdiComment" intptr, int, var
; res = GdiComment(hdc, nSize, lpData)
; hdc : HDC -> "intptr"
; nSize : DWORD -> "int"
; lpData : BYTE* -> "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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGdiComment = gdi32.NewProc("GdiComment")
)

// hdc (HDC), nSize (DWORD), lpData (BYTE*)
r1, _, err := procGdiComment.Call(
	uintptr(hdc),
	uintptr(nSize),
	uintptr(lpData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GdiComment(
  hdc: THandle;   // HDC
  nSize: DWORD;   // DWORD
  lpData: Pointer   // BYTE*
): BOOL; stdcall;
  external 'GDI32.dll' name 'GdiComment';

result := DllCall("GDI32\GdiComment"
    , "Ptr", hdc   ; HDC
    , "UInt", nSize   ; DWORD
    , "Ptr", lpData   ; BYTE*
    , "Int")   ; return: BOOL

●GdiComment(hdc, nSize, lpData) = DLL("GDI32.dll", "bool GdiComment(void*, dword, void*)")
# 呼び出し: GdiComment(hdc, nSize, lpData)
# hdc : HDC -> "void*"
# nSize : DWORD -> "dword"
# lpData : BYTE* -> "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)。